20817198

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{60869}}^1$

素因数の和:60896

約数の個数: 24

約数和(自身を含む): 47478600

約数和(自身を除く): 26661402

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 60869, 121738, 182607, 365214, 547821, 1095642, 1156511, 2313022, 3469533, 6939066, 10408599, 20817198]

約数ペア:

[(1, 20817198), (2, 10408599), (3, 6939066), (6, 3469533), (9, 2313022), (18, 1156511), (19, 1095642), (38, 547821), (57, 365214), (114, 182607), (171, 121738), (342, 60869)]