20512496178

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59978059}}^1$

素因数の和:59978086

約数の個数: 24

約数和(自身を含む): 46782886800

約数和(自身を除く): 26270390622

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 59978059, 119956118, 179934177, 359868354, 539802531, 1079605062, 1139583121, 2279166242, 3418749363, 6837498726, 10256248089, 20512496178]

約数ペア:

[(1, 20512496178), (2, 10256248089), (3, 6837498726), (6, 3418749363), (9, 2279166242), (18, 1139583121), (19, 1079605062), (38, 539802531), (57, 359868354), (114, 179934177), (171, 119956118), (342, 59978059)]