20704414

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12671}}^1$

素因数の和:12735

約数の個数: 16

約数和(自身を含む): 33454080

約数和(自身を除く): 12749666

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 12671, 25342, 240749, 481498, 544853, 1089706, 10352207, 20704414]

約数ペア:

[(1, 20704414), (2, 10352207), (19, 1089706), (38, 544853), (43, 481498), (86, 240749), (817, 25342), (1634, 12671)]