20114458

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 39836160

約数和(自身を除く): 19721702

約数列:

[1, 2, 7, 13, 14, 26, 29, 37, 58, 74, 91, 103, 182, 203, 206, 259, 377, 406, 481, 518, 721, 754, 962, 1073, 1339, 1442, 2146, 2639, 2678, 2987, 3367, 3811, 5278, 5974, 6734, 7511, 7622, 9373, 13949, 15022, 18746, 20909, 26677, 27898, 38831, 41818, 49543, 53354, 77662, 97643, 99086, 110519, 195286, 221038, 271817, 346801, 543634, 693602, 773633, 1436747, 1547266, 2873494, 10057229, 20114458]

約数ペア:

[(1, 20114458), (2, 10057229), (7, 2873494), (13, 1547266), (14, 1436747), (26, 773633), (29, 693602), (37, 543634), (58, 346801), (74, 271817), (91, 221038), (103, 195286), (182, 110519), (203, 99086), (206, 97643), (259, 77662), (377, 53354), (406, 49543), (481, 41818), (518, 38831), (721, 27898), (754, 26677), (962, 20909), (1073, 18746), (1339, 15022), (1442, 13949), (2146, 9373), (2639, 7622), (2678, 7511), (2987, 6734), (3367, 5974), (3811, 5278)]