20495289360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{49391}}^1$

素因数の和:49446

約数の個数: 320

約数和(自身を含む): 82314731520

約数和(自身を除く): 61819442160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 48, 52, 56, 57, 60, 65, 70, 76, 78, 80, 84, 91, 95, 104, 105, 112, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 208, 210, 228, 240, 247, 260, 266, 273, 280, 285, 304, 312, 336, 364, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 560, 570, 624, 665, 728, 741, 760, 780, 798, 840, 910, 912, 988, 1040, 1064, 1092, 1140, 1235, 1330, 1365, 1456, 1482, 1520, 1560, 1596, 1680, 1729, 1820, 1976, 1995, 2128, 2184, 2280, 2470, 2660, 2730, 2964, 3120, 3192, 3458, 3640, 3705, 3952, 3990, 4368, 4560, 4940, 5187, 5320, 5460, 5928, 6384, 6916, 7280, 7410, 7980, 8645, 9880, 10374, 10640, 10920, 11856, 13832, 14820, 15960, 17290, 19760, 20748, 21840, 25935, 27664, 29640, 31920, 34580, 41496, 49391, 51870, 59280, 69160, 82992, 98782, 103740, 138320, 148173, 197564, 207480, 246955, 296346, 345737, 395128, 414960, 493910, 592692, 642083, 691474, 740865, 790256, 938429, 987820, 1037211, 1185384, 1284166, 1382948, 1481730, 1728685, 1876858, 1926249, 1975640, 2074422, 2370768, 2568332, 2765896, 2815287, 2963460, 3210415, 3457370, 3753716, 3852498, 3951280, 4148844, 4494581, 4692145, 5136664, 5186055, 5531792, 5630574, 5926920, 6420830, 6569003, 6914740, 7507432, 7704996, 8297688, 8989162, 9384290, 9631245, 10273328, 10372110, 11261148, 11853840, 12199577, 12841660, 13138006, 13483743, 13829480, 14076435, 15014864, 15409992, 16595376, 17978324, 18768580, 19262490, 19707009, 20744220, 22472905, 22522296, 24399154, 25683320, 26276012, 26967486, 27658960, 28152870, 30819984, 32845015, 35956648, 36598731, 37537160, 38524980, 39414018, 41488440, 44945810, 45044592, 48798308, 51366640, 52552024, 53934972, 56305740, 60997885, 65690030, 67418715, 71913296, 73197462, 75074320, 77049960, 78828036, 82976880, 85397039, 89891620, 97596616, 98535045, 105104048, 107869944, 112611480, 121995770, 131380060, 134837430, 146394924, 154099920, 157656072, 170794078, 179783240, 182993655, 195193232, 197070090, 215739888, 225222960, 243991540, 256191117, 262760120, 269674860, 292789848, 315312144, 341588156, 359566480, 365987310, 394140180, 426985195, 487983080, 512382234, 525520240, 539349720, 585579696, 683176312, 731974620, 788280360, 853970390, 975966160, 1024764468, 1078699440, 1280955585, 1366352624, 1463949240, 1576560720, 1707940780, 2049528936, 2561911170, 2927898480, 3415881560, 4099057872, 5123822340, 6831763120, 10247644680, 20495289360]

約数ペア:

[(1, 20495289360), (2, 10247644680), (3, 6831763120), (4, 5123822340), (5, 4099057872), (6, 3415881560), (7, 2927898480), (8, 2561911170), (10, 2049528936), (12, 1707940780), (13, 1576560720), (14, 1463949240), (15, 1366352624), (16, 1280955585), (19, 1078699440), (20, 1024764468), (21, 975966160), (24, 853970390), (26, 788280360), (28, 731974620), (30, 683176312), (35, 585579696), (38, 539349720), (39, 525520240), (40, 512382234), (42, 487983080), (48, 426985195), (52, 394140180), (56, 365987310), (57, 359566480), (60, 341588156), (65, 315312144), (70, 292789848), (76, 269674860), (78, 262760120), (80, 256191117), (84, 243991540), (91, 225222960), (95, 215739888), (104, 197070090), (105, 195193232), (112, 182993655), (114, 179783240), (120, 170794078), (130, 157656072), (133, 154099920), (140, 146394924), (152, 134837430), (156, 131380060), (168, 121995770), (182, 112611480), (190, 107869944), (195, 105104048), (208, 98535045), (210, 97596616), (228, 89891620), (240, 85397039), (247, 82976880), (260, 78828036), (266, 77049960), (273, 75074320), (280, 73197462), (285, 71913296), (304, 67418715), (312, 65690030), (336, 60997885), (364, 56305740), (380, 53934972), (390, 52552024), (399, 51366640), (420, 48798308), (455, 45044592), (456, 44945810), (494, 41488440), (520, 39414018), (532, 38524980), (546, 37537160), (560, 36598731), (570, 35956648), (624, 32845015), (665, 30819984), (728, 28152870), (741, 27658960), (760, 26967486), (780, 26276012), (798, 25683320), (840, 24399154), (910, 22522296), (912, 22472905), (988, 20744220), (1040, 19707009), (1064, 19262490), (1092, 18768580), (1140, 17978324), (1235, 16595376), (1330, 15409992), (1365, 15014864), (1456, 14076435), (1482, 13829480), (1520, 13483743), (1560, 13138006), (1596, 12841660), (1680, 12199577), (1729, 11853840), (1820, 11261148), (1976, 10372110), (1995, 10273328), (2128, 9631245), (2184, 9384290), (2280, 8989162), (2470, 8297688), (2660, 7704996), (2730, 7507432), (2964, 6914740), (3120, 6569003), (3192, 6420830), (3458, 5926920), (3640, 5630574), (3705, 5531792), (3952, 5186055), (3990, 5136664), (4368, 4692145), (4560, 4494581), (4940, 4148844), (5187, 3951280), (5320, 3852498), (5460, 3753716), (5928, 3457370), (6384, 3210415), (6916, 2963460), (7280, 2815287), (7410, 2765896), (7980, 2568332), (8645, 2370768), (9880, 2074422), (10374, 1975640), (10640, 1926249), (10920, 1876858), (11856, 1728685), (13832, 1481730), (14820, 1382948), (15960, 1284166), (17290, 1185384), (19760, 1037211), (20748, 987820), (21840, 938429), (25935, 790256), (27664, 740865), (29640, 691474), (31920, 642083), (34580, 592692), (41496, 493910), (49391, 414960), (51870, 395128), (59280, 345737), (69160, 296346), (82992, 246955), (98782, 207480), (103740, 197564), (138320, 148173)]