20189858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{26777}}^1$

素因数の和:26821

約数の個数: 16

約数和(自身を含む): 33740280

約数和(自身を除く): 13550422

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 26777, 53554, 348101, 696202, 776533, 1553066, 10094929, 20189858]

約数ペア:

[(1, 20189858), (2, 10094929), (13, 1553066), (26, 776533), (29, 696202), (58, 348101), (377, 53554), (754, 26777)]