20396997

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{701}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 30553848

約数和(自身を除く): 10156851

約数列:

[1, 3, 9, 53, 61, 159, 183, 477, 549, 701, 2103, 3233, 6309, 9699, 29097, 37153, 42761, 111459, 128283, 334377, 384849, 2266333, 6798999, 20396997]

約数ペア:

[(1, 20396997), (3, 6798999), (9, 2266333), (53, 384849), (61, 334377), (159, 128283), (183, 111459), (477, 42761), (549, 37153), (701, 29097), (2103, 9699), (3233, 6309)]