20581934

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4621}}^1$

素因数の和:4771

約数の個数: 16

約数和(自身を含む): 32945616

約数和(自身を除く): 12363682

約数列:

[1, 2, 17, 34, 131, 262, 2227, 4454, 4621, 9242, 78557, 157114, 605351, 1210702, 10290967, 20581934]

約数ペア:

[(1, 20581934), (2, 10290967), (17, 1210702), (34, 605351), (131, 157114), (262, 78557), (2227, 9242), (4454, 4621)]