20115666480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{2137}}^1$

素因数の和:2604

約数の個数: 320

約数和(自身を含む): 76963074048

約数和(自身を除く): 56847407568

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 431, 455, 520, 546, 560, 624, 728, 780, 840, 862, 910, 1040, 1092, 1293, 1365, 1456, 1560, 1680, 1724, 1820, 2137, 2155, 2184, 2586, 2730, 3017, 3120, 3448, 3640, 4274, 4310, 4368, 5172, 5460, 5603, 6034, 6411, 6465, 6896, 7280, 8548, 8620, 9051, 10344, 10685, 10920, 11206, 12068, 12822, 12930, 14959, 15085, 16809, 17096, 17240, 18102, 20688, 21370, 21840, 22412, 24136, 25644, 25860, 27781, 28015, 29918, 30170, 32055, 33618, 34192, 34480, 36204, 39221, 42740, 44824, 44877, 45255, 48272, 51288, 51720, 55562, 56030, 59836, 60340, 64110, 67236, 72408, 74795, 78442, 83343, 84045, 85480, 89648, 89754, 90510, 102576, 103440, 111124, 112060, 117663, 119672, 120680, 128220, 134472, 138905, 144816, 149590, 156884, 166686, 168090, 170960, 179508, 181020, 194467, 196105, 222248, 224120, 224385, 235326, 239344, 241360, 256440, 268944, 277810, 299180, 313768, 333372, 336180, 359016, 362040, 388934, 392210, 416715, 444496, 448240, 448770, 470652, 512880, 555620, 583401, 588315, 598360, 627536, 666744, 672360, 718032, 724080, 777868, 784420, 833430, 897540, 921047, 941304, 972335, 1111240, 1166802, 1176630, 1196720, 1333488, 1344720, 1555736, 1568840, 1666860, 1795080, 1842094, 1882608, 1944670, 2222480, 2333604, 2353260, 2763141, 2917005, 3111472, 3137680, 3333720, 3590160, 3684188, 3889340, 4605235, 4667208, 4706520, 5526282, 5834010, 6447329, 6667440, 7368376, 7778680, 9210470, 9334416, 9413040, 11052564, 11668020, 11973611, 12894658, 13815705, 14736752, 15557360, 18420940, 19341987, 22105128, 23336040, 23947222, 25789316, 27631410, 32236645, 35920833, 36841880, 38683974, 44210256, 46672080, 47894444, 51578632, 55262820, 59868055, 64473290, 71841666, 73683760, 77367948, 83815277, 95788888, 96709935, 103157264, 110525640, 119736110, 128946580, 143683332, 154735896, 167630554, 179604165, 191577776, 193419870, 221051280, 239472220, 251445831, 257893160, 287366664, 309471792, 335261108, 359208330, 386839740, 419076385, 478944440, 502891662, 515786320, 574733328, 670522216, 718416660, 773679480, 838152770, 957888880, 1005783324, 1257229155, 1341044432, 1436833320, 1547358960, 1676305540, 2011566648, 2514458310, 2873666640, 3352611080, 4023133296, 5028916620, 6705222160, 10057833240, 20115666480]

約数ペア:

[(1, 20115666480), (2, 10057833240), (3, 6705222160), (4, 5028916620), (5, 4023133296), (6, 3352611080), (7, 2873666640), (8, 2514458310), (10, 2011566648), (12, 1676305540), (13, 1547358960), (14, 1436833320), (15, 1341044432), (16, 1257229155), (20, 1005783324), (21, 957888880), (24, 838152770), (26, 773679480), (28, 718416660), (30, 670522216), (35, 574733328), (39, 515786320), (40, 502891662), (42, 478944440), (48, 419076385), (52, 386839740), (56, 359208330), (60, 335261108), (65, 309471792), (70, 287366664), (78, 257893160), (80, 251445831), (84, 239472220), (91, 221051280), (104, 193419870), (105, 191577776), (112, 179604165), (120, 167630554), (130, 154735896), (140, 143683332), (156, 128946580), (168, 119736110), (182, 110525640), (195, 103157264), (208, 96709935), (210, 95788888), (240, 83815277), (260, 77367948), (273, 73683760), (280, 71841666), (312, 64473290), (336, 59868055), (364, 55262820), (390, 51578632), (420, 47894444), (431, 46672080), (455, 44210256), (520, 38683974), (546, 36841880), (560, 35920833), (624, 32236645), (728, 27631410), (780, 25789316), (840, 23947222), (862, 23336040), (910, 22105128), (1040, 19341987), (1092, 18420940), (1293, 15557360), (1365, 14736752), (1456, 13815705), (1560, 12894658), (1680, 11973611), (1724, 11668020), (1820, 11052564), (2137, 9413040), (2155, 9334416), (2184, 9210470), (2586, 7778680), (2730, 7368376), (3017, 6667440), (3120, 6447329), (3448, 5834010), (3640, 5526282), (4274, 4706520), (4310, 4667208), (4368, 4605235), (5172, 3889340), (5460, 3684188), (5603, 3590160), (6034, 3333720), (6411, 3137680), (6465, 3111472), (6896, 2917005), (7280, 2763141), (8548, 2353260), (8620, 2333604), (9051, 2222480), (10344, 1944670), (10685, 1882608), (10920, 1842094), (11206, 1795080), (12068, 1666860), (12822, 1568840), (12930, 1555736), (14959, 1344720), (15085, 1333488), (16809, 1196720), (17096, 1176630), (17240, 1166802), (18102, 1111240), (20688, 972335), (21370, 941304), (21840, 921047), (22412, 897540), (24136, 833430), (25644, 784420), (25860, 777868), (27781, 724080), (28015, 718032), (29918, 672360), (30170, 666744), (32055, 627536), (33618, 598360), (34192, 588315), (34480, 583401), (36204, 555620), (39221, 512880), (42740, 470652), (44824, 448770), (44877, 448240), (45255, 444496), (48272, 416715), (51288, 392210), (51720, 388934), (55562, 362040), (56030, 359016), (59836, 336180), (60340, 333372), (64110, 313768), (67236, 299180), (72408, 277810), (74795, 268944), (78442, 256440), (83343, 241360), (84045, 239344), (85480, 235326), (89648, 224385), (89754, 224120), (90510, 222248), (102576, 196105), (103440, 194467), (111124, 181020), (112060, 179508), (117663, 170960), (119672, 168090), (120680, 166686), (128220, 156884), (134472, 149590), (138905, 144816)]