20158764640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{59797}}^1$

素因数の和:59869

約数の個数: 144

約数和(自身を含む): 56689939152

約数和(自身を除く): 36531174512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 160, 172, 196, 215, 224, 245, 280, 301, 344, 392, 430, 490, 560, 602, 688, 784, 860, 980, 1120, 1204, 1376, 1505, 1568, 1720, 1960, 2107, 2408, 3010, 3440, 3920, 4214, 4816, 6020, 6880, 7840, 8428, 9632, 10535, 12040, 16856, 21070, 24080, 33712, 42140, 48160, 59797, 67424, 84280, 119594, 168560, 239188, 298985, 337120, 418579, 478376, 597970, 837158, 956752, 1195940, 1674316, 1913504, 2092895, 2391880, 2571271, 2930053, 3348632, 4185790, 4783760, 5142542, 5860106, 6697264, 8371580, 9567520, 10285084, 11720212, 12856355, 13394528, 14650265, 16743160, 17998897, 20570168, 23440424, 25712710, 29300530, 33486320, 35997794, 41140336, 46880848, 51425420, 58601060, 66972640, 71995588, 82280672, 89994485, 93761696, 102850840, 117202120, 125992279, 143991176, 179988970, 205701680, 234404240, 251984558, 287982352, 359977940, 411403360, 468808480, 503969116, 575964704, 629961395, 719955880, 1007938232, 1259922790, 1439911760, 2015876464, 2519845580, 2879823520, 4031752928, 5039691160, 10079382320, 20158764640]

約数ペア:

[(1, 20158764640), (2, 10079382320), (4, 5039691160), (5, 4031752928), (7, 2879823520), (8, 2519845580), (10, 2015876464), (14, 1439911760), (16, 1259922790), (20, 1007938232), (28, 719955880), (32, 629961395), (35, 575964704), (40, 503969116), (43, 468808480), (49, 411403360), (56, 359977940), (70, 287982352), (80, 251984558), (86, 234404240), (98, 205701680), (112, 179988970), (140, 143991176), (160, 125992279), (172, 117202120), (196, 102850840), (215, 93761696), (224, 89994485), (245, 82280672), (280, 71995588), (301, 66972640), (344, 58601060), (392, 51425420), (430, 46880848), (490, 41140336), (560, 35997794), (602, 33486320), (688, 29300530), (784, 25712710), (860, 23440424), (980, 20570168), (1120, 17998897), (1204, 16743160), (1376, 14650265), (1505, 13394528), (1568, 12856355), (1720, 11720212), (1960, 10285084), (2107, 9567520), (2408, 8371580), (3010, 6697264), (3440, 5860106), (3920, 5142542), (4214, 4783760), (4816, 4185790), (6020, 3348632), (6880, 2930053), (7840, 2571271), (8428, 2391880), (9632, 2092895), (10535, 1913504), (12040, 1674316), (16856, 1195940), (21070, 956752), (24080, 837158), (33712, 597970), (42140, 478376), (48160, 418579), (59797, 337120), (67424, 298985), (84280, 239188), (119594, 168560)]