20899526

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{659}}^1$

素因数の和:919

約数の個数: 16

約数和(自身を含む): 31909680

約数和(自身を除く): 11010154

約数列:

[1, 2, 101, 157, 202, 314, 659, 1318, 15857, 31714, 66559, 103463, 133118, 206926, 10449763, 20899526]

約数ペア:

[(1, 20899526), (2, 10449763), (101, 206926), (157, 133118), (202, 103463), (314, 66559), (659, 31714), (1318, 15857)]