20294890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26357}}^1$

素因数の和:26382

約数の個数: 32

約数和(自身を含む): 45546624

約数和(自身を除く): 25251734

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26357, 52714, 131785, 184499, 263570, 289927, 368998, 579854, 922495, 1449635, 1844990, 2029489, 2899270, 4058978, 10147445, 20294890]

約数ペア:

[(1, 20294890), (2, 10147445), (5, 4058978), (7, 2899270), (10, 2029489), (11, 1844990), (14, 1449635), (22, 922495), (35, 579854), (55, 368998), (70, 289927), (77, 263570), (110, 184499), (154, 131785), (385, 52714), (770, 26357)]