20081426

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{1117}}^1$

素因数の和:1309

約数の個数: 16

約数和(自身を含む): 30789720

約数和(自身を除く): 10708294

約数列:

[1, 2, 89, 101, 178, 202, 1117, 2234, 8989, 17978, 99413, 112817, 198826, 225634, 10040713, 20081426]

約数ペア:

[(1, 20081426), (2, 10040713), (89, 225634), (101, 198826), (178, 112817), (202, 99413), (1117, 17978), (2234, 8989)]