20804429140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{7757}}^1$

素因数の和:8017

約数の個数: 96

約数和(自身を含む): 48609517824

約数和(自身を除く): 27805088684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 167, 220, 292, 334, 365, 668, 730, 803, 835, 1460, 1606, 1670, 1837, 3212, 3340, 3674, 4015, 7348, 7757, 8030, 9185, 12191, 15514, 16060, 18370, 24382, 31028, 36740, 38785, 48764, 60955, 77570, 85327, 121910, 134101, 155140, 170654, 243820, 268202, 341308, 426635, 536404, 566261, 670505, 853270, 1132522, 1295419, 1341010, 1706540, 2265044, 2590838, 2682020, 2831305, 5181676, 5662610, 6228871, 6477095, 11325220, 12457742, 12954190, 14249609, 24915484, 25908380, 28499218, 31144355, 56998436, 62288710, 71248045, 94565587, 124577420, 142496090, 189131174, 284992180, 378262348, 472827935, 945655870, 1040221457, 1891311740, 2080442914, 4160885828, 5201107285, 10402214570, 20804429140]

約数ペア:

[(1, 20804429140), (2, 10402214570), (4, 5201107285), (5, 4160885828), (10, 2080442914), (11, 1891311740), (20, 1040221457), (22, 945655870), (44, 472827935), (55, 378262348), (73, 284992180), (110, 189131174), (146, 142496090), (167, 124577420), (220, 94565587), (292, 71248045), (334, 62288710), (365, 56998436), (668, 31144355), (730, 28499218), (803, 25908380), (835, 24915484), (1460, 14249609), (1606, 12954190), (1670, 12457742), (1837, 11325220), (3212, 6477095), (3340, 6228871), (3674, 5662610), (4015, 5181676), (7348, 2831305), (7757, 2682020), (8030, 2590838), (9185, 2265044), (12191, 1706540), (15514, 1341010), (16060, 1295419), (18370, 1132522), (24382, 853270), (31028, 670505), (36740, 566261), (38785, 536404), (48764, 426635), (60955, 341308), (77570, 268202), (85327, 243820), (121910, 170654), (134101, 155140)]