20116778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31531}}^1$

素因数の和:31573

約数の個数: 16

約数和(自身を含む): 34054560

約数和(自身を除く): 13937782

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 31531, 63062, 346841, 693682, 914399, 1828798, 10058389, 20116778]

約数ペア:

[(1, 20116778), (2, 10058389), (11, 1828798), (22, 914399), (29, 693682), (58, 346841), (319, 63062), (638, 31531)]