20658626

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1\times {\mathrm{541}}^1$

素因数の和:917

約数の個数: 16

約数和(自身を含む): 31654968

約数和(自身を除く): 10996342

約数列:

[1, 2, 61, 122, 313, 541, 626, 1082, 19093, 33001, 38186, 66002, 169333, 338666, 10329313, 20658626]

約数ペア:

[(1, 20658626), (2, 10329313), (61, 338666), (122, 169333), (313, 66002), (541, 38186), (626, 33001), (1082, 19093)]