20238053360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{768923}}^1$

素因数の和:768990

約数の個数: 80

約数和(自身を含む): 54919627776

約数和(自身を除く): 34681574416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 3290, 3760, 5264, 6580, 13160, 26320, 768923, 1537846, 3075692, 3844615, 5382461, 6151384, 7689230, 10764922, 12302768, 15378460, 21529844, 26912305, 30756920, 36139381, 43059688, 53824610, 61513840, 72278762, 86119376, 107649220, 144557524, 180696905, 215298440, 252975667, 289115048, 361393810, 430596880, 505951334, 578230096, 722787620, 1011902668, 1264878335, 1445575240, 2023805336, 2529756670, 2891150480, 4047610672, 5059513340, 10119026680, 20238053360]

約数ペア:

[(1, 20238053360), (2, 10119026680), (4, 5059513340), (5, 4047610672), (7, 2891150480), (8, 2529756670), (10, 2023805336), (14, 1445575240), (16, 1264878335), (20, 1011902668), (28, 722787620), (35, 578230096), (40, 505951334), (47, 430596880), (56, 361393810), (70, 289115048), (80, 252975667), (94, 215298440), (112, 180696905), (140, 144557524), (188, 107649220), (235, 86119376), (280, 72278762), (329, 61513840), (376, 53824610), (470, 43059688), (560, 36139381), (658, 30756920), (752, 26912305), (940, 21529844), (1316, 15378460), (1645, 12302768), (1880, 10764922), (2632, 7689230), (3290, 6151384), (3760, 5382461), (5264, 3844615), (6580, 3075692), (13160, 1537846), (26320, 768923)]