20878663

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{617}}^1$

素因数の和:786

約数の個数: 16

約数和(自身を含む): 23879520

約数和(自身を除く): 3000857

約数列:

[1, 13, 19, 137, 247, 617, 1781, 2603, 8021, 11723, 33839, 84529, 152399, 1098877, 1606051, 20878663]

約数ペア:

[(1, 20878663), (13, 1606051), (19, 1098877), (137, 152399), (247, 84529), (617, 33839), (1781, 11723), (2603, 8021)]