20239612816

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40805671}}^1$

素因数の和:40805710

約数の個数: 20

約数和(自身を含む): 40479226624

約数和(自身を除く): 20239613808

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40805671, 81611342, 163222684, 326445368, 652890736, 1264975801, 2529951602, 5059903204, 10119806408, 20239612816]

約数ペア:

[(1, 20239612816), (2, 10119806408), (4, 5059903204), (8, 2529951602), (16, 1264975801), (31, 652890736), (62, 326445368), (124, 163222684), (248, 81611342), (496, 40805671)]