20333040

素因数分解:

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

素因数の和:69

約数の個数: 320

約数和(自身を含む): 83328000

約数和(自身を除く): 62994960

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, 49, 52, 56, 57, 60, 65, 70, 76, 78, 80, 84, 91, 95, 98, 104, 105, 112, 114, 120, 130, 133, 140, 147, 152, 156, 168, 182, 190, 195, 196, 208, 210, 228, 240, 245, 247, 260, 266, 273, 280, 285, 294, 304, 312, 336, 343, 364, 380, 390, 392, 399, 420, 455, 456, 490, 494, 520, 532, 546, 560, 570, 588, 624, 637, 665, 686, 728, 735, 741, 760, 780, 784, 798, 840, 910, 912, 931, 980, 988, 1029, 1040, 1064, 1092, 1140, 1176, 1235, 1274, 1330, 1365, 1372, 1456, 1470, 1482, 1520, 1560, 1596, 1680, 1715, 1729, 1820, 1862, 1911, 1960, 1976, 1995, 2058, 2128, 2184, 2280, 2352, 2470, 2548, 2660, 2730, 2744, 2793, 2940, 2964, 3120, 3185, 3192, 3430, 3458, 3640, 3705, 3724, 3822, 3920, 3952, 3990, 4116, 4368, 4459, 4560, 4655, 4940, 5096, 5145, 5187, 5320, 5460, 5488, 5586, 5880, 5928, 6370, 6384, 6517, 6860, 6916, 7280, 7410, 7448, 7644, 7980, 8232, 8645, 8918, 9310, 9555, 9880, 10192, 10290, 10374, 10640, 10920, 11172, 11760, 11856, 12103, 12740, 13034, 13377, 13720, 13832, 13965, 14820, 14896, 15288, 15960, 16464, 17290, 17836, 18620, 19110, 19551, 19760, 20580, 20748, 21840, 22295, 22344, 24206, 25480, 25935, 26068, 26754, 27440, 27664, 27930, 29640, 30576, 31920, 32585, 34580, 35672, 36309, 37240, 38220, 39102, 41160, 41496, 44590, 44688, 48412, 50960, 51870, 52136, 53508, 55860, 59280, 60515, 65170, 66885, 69160, 71344, 72618, 74480, 76440, 78204, 82320, 82992, 84721, 89180, 96824, 97755, 103740, 104272, 107016, 111720, 121030, 130340, 133770, 138320, 145236, 152880, 156408, 169442, 178360, 181545, 193648, 195510, 207480, 214032, 223440, 242060, 254163, 260680, 267540, 290472, 312816, 338884, 356720, 363090, 391020, 414960, 423605, 484120, 508326, 521360, 535080, 580944, 677768, 726180, 782040, 847210, 968240, 1016652, 1070160, 1270815, 1355536, 1452360, 1564080, 1694420, 2033304, 2541630, 2904720, 3388840, 4066608, 5083260, 6777680, 10166520, 20333040]

約数ペア:

[(1, 20333040), (2, 10166520), (3, 6777680), (4, 5083260), (5, 4066608), (6, 3388840), (7, 2904720), (8, 2541630), (10, 2033304), (12, 1694420), (13, 1564080), (14, 1452360), (15, 1355536), (16, 1270815), (19, 1070160), (20, 1016652), (21, 968240), (24, 847210), (26, 782040), (28, 726180), (30, 677768), (35, 580944), (38, 535080), (39, 521360), (40, 508326), (42, 484120), (48, 423605), (49, 414960), (52, 391020), (56, 363090), (57, 356720), (60, 338884), (65, 312816), (70, 290472), (76, 267540), (78, 260680), (80, 254163), (84, 242060), (91, 223440), (95, 214032), (98, 207480), (104, 195510), (105, 193648), (112, 181545), (114, 178360), (120, 169442), (130, 156408), (133, 152880), (140, 145236), (147, 138320), (152, 133770), (156, 130340), (168, 121030), (182, 111720), (190, 107016), (195, 104272), (196, 103740), (208, 97755), (210, 96824), (228, 89180), (240, 84721), (245, 82992), (247, 82320), (260, 78204), (266, 76440), (273, 74480), (280, 72618), (285, 71344), (294, 69160), (304, 66885), (312, 65170), (336, 60515), (343, 59280), (364, 55860), (380, 53508), (390, 52136), (392, 51870), (399, 50960), (420, 48412), (455, 44688), (456, 44590), (490, 41496), (494, 41160), (520, 39102), (532, 38220), (546, 37240), (560, 36309), (570, 35672), (588, 34580), (624, 32585), (637, 31920), (665, 30576), (686, 29640), (728, 27930), (735, 27664), (741, 27440), (760, 26754), (780, 26068), (784, 25935), (798, 25480), (840, 24206), (910, 22344), (912, 22295), (931, 21840), (980, 20748), (988, 20580), (1029, 19760), (1040, 19551), (1064, 19110), (1092, 18620), (1140, 17836), (1176, 17290), (1235, 16464), (1274, 15960), (1330, 15288), (1365, 14896), (1372, 14820), (1456, 13965), (1470, 13832), (1482, 13720), (1520, 13377), (1560, 13034), (1596, 12740), (1680, 12103), (1715, 11856), (1729, 11760), (1820, 11172), (1862, 10920), (1911, 10640), (1960, 10374), (1976, 10290), (1995, 10192), (2058, 9880), (2128, 9555), (2184, 9310), (2280, 8918), (2352, 8645), (2470, 8232), (2548, 7980), (2660, 7644), (2730, 7448), (2744, 7410), (2793, 7280), (2940, 6916), (2964, 6860), (3120, 6517), (3185, 6384), (3192, 6370), (3430, 5928), (3458, 5880), (3640, 5586), (3705, 5488), (3724, 5460), (3822, 5320), (3920, 5187), (3952, 5145), (3990, 5096), (4116, 4940), (4368, 4655), (4459, 4560)]