20170012

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{36277}}^1$

素因数の和:36420

約数の個数: 12

約数和(自身を含む): 35552440

約数和(自身を除く): 15382428

約数列:

[1, 2, 4, 139, 278, 556, 36277, 72554, 145108, 5042503, 10085006, 20170012]

約数ペア:

[(1, 20170012), (2, 10085006), (4, 5042503), (139, 145108), (278, 72554), (556, 36277)]