20199089491

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{328243}}^1$

素因数の和:328458

約数の個数: 16

約数和(自身を含む): 23633568000

約数和(自身を除く): 3434478509

約数列:

[1, 7, 59, 149, 413, 1043, 8791, 61537, 328243, 2297701, 19366337, 48908207, 135564359, 342357449, 2885584213, 20199089491]

約数ペア:

[(1, 20199089491), (7, 2885584213), (59, 342357449), (149, 135564359), (413, 48908207), (1043, 19366337), (8791, 2297701), (61537, 328243)]