20548577

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 24216192

約数和(自身を除く): 3667615

約数列:

[1, 7, 53, 97, 371, 571, 679, 3997, 5141, 30263, 35987, 55387, 211841, 387709, 2935511, 20548577]

約数ペア:

[(1, 20548577), (7, 2935511), (53, 387709), (97, 211841), (371, 55387), (571, 35987), (679, 30263), (3997, 5141)]