20201996325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{701}}^1\times {\mathrm{3229}}^1$

素因数の和:3967

約数の個数: 96

約数和(自身を含む): 40487765760

約数和(自身を除く): 20285769435

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 255, 357, 425, 525, 595, 701, 1275, 1785, 2103, 2975, 3229, 3505, 4907, 8925, 9687, 10515, 11917, 14721, 16145, 17525, 22603, 24535, 35751, 48435, 52575, 54893, 59585, 67809, 73605, 80725, 83419, 113015, 122675, 164679, 178755, 242175, 250257, 274465, 297925, 339045, 368025, 384251, 417095, 565075, 823395, 893775, 1152753, 1251285, 1372325, 1695225, 1921255, 2085475, 2263529, 4116975, 5763765, 6256425, 6790587, 9606275, 11317645, 15844703, 28818825, 33952935, 38479993, 47534109, 56588225, 79223515, 115439979, 169764675, 192399965, 237670545, 269359951, 396117575, 577199895, 808079853, 961999825, 1188352725, 1346799755, 2885999475, 4040399265, 6733998775, 20201996325]

約数ペア:

[(1, 20201996325), (3, 6733998775), (5, 4040399265), (7, 2885999475), (15, 1346799755), (17, 1188352725), (21, 961999825), (25, 808079853), (35, 577199895), (51, 396117575), (75, 269359951), (85, 237670545), (105, 192399965), (119, 169764675), (175, 115439979), (255, 79223515), (357, 56588225), (425, 47534109), (525, 38479993), (595, 33952935), (701, 28818825), (1275, 15844703), (1785, 11317645), (2103, 9606275), (2975, 6790587), (3229, 6256425), (3505, 5763765), (4907, 4116975), (8925, 2263529), (9687, 2085475), (10515, 1921255), (11917, 1695225), (14721, 1372325), (16145, 1251285), (17525, 1152753), (22603, 893775), (24535, 823395), (35751, 565075), (48435, 417095), (52575, 384251), (54893, 368025), (59585, 339045), (67809, 297925), (73605, 274465), (80725, 250257), (83419, 242175), (113015, 178755), (122675, 164679)]