20291215357

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1113617}}^1$

素因数の和:1113780

約数の個数: 16

約数和(自身を含む): 24588685440

約数和(自身を除く): 4297470083

約数列:

[1, 7, 19, 133, 137, 959, 2603, 18221, 1113617, 7795319, 21158723, 148111061, 152565529, 1067958703, 2898745051, 20291215357]

約数ペア:

[(1, 20291215357), (7, 2898745051), (19, 1067958703), (133, 152565529), (137, 148111061), (959, 21158723), (2603, 7795319), (18221, 1113617)]