20565118511

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1\times {\mathrm{97213}}^1$

素因数の和:97910

約数の個数: 16

約数和(自身を含む): 24040633344

約数和(自身を除く): 3475514833

約数列:

[1, 7, 47, 329, 643, 4501, 30221, 97213, 211547, 680491, 4569011, 31983077, 62507959, 437555713, 2937874073, 20565118511]

約数ペア:

[(1, 20565118511), (7, 2937874073), (47, 437555713), (329, 62507959), (643, 31983077), (4501, 4569011), (30221, 680491), (97213, 211547)]