20559402

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{8719}}^1$

素因数の和:8858

約数の個数: 24

約数和(自身を含む): 44890560

約数和(自身を除く): 24331158

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 8719, 17438, 26157, 52314, 78471, 156942, 1142189, 2284378, 3426567, 6853134, 10279701, 20559402]

約数ペア:

[(1, 20559402), (2, 10279701), (3, 6853134), (6, 3426567), (9, 2284378), (18, 1142189), (131, 156942), (262, 78471), (393, 52314), (786, 26157), (1179, 17438), (2358, 8719)]