20565961

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1571}}^1$

素因数の和:1656

約数の個数: 16

約数和(自身を含む): 23768640

約数和(自身を除く): 3202679

約数列:

[1, 13, 19, 53, 247, 689, 1007, 1571, 13091, 20423, 29849, 83263, 388037, 1082419, 1581997, 20565961]

約数ペア:

[(1, 20565961), (13, 1581997), (19, 1082419), (53, 388037), (247, 83263), (689, 29849), (1007, 20423), (1571, 13091)]