20796874

素因数分解:

$2^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1549}}^1$

素因数の和:1702

約数の個数: 24

約数和(自身を含む): 36576900

約数和(自身を除く): 15780026

約数列:

[1, 2, 7, 14, 49, 98, 137, 274, 959, 1549, 1918, 3098, 6713, 10843, 13426, 21686, 75901, 151802, 212213, 424426, 1485491, 2970982, 10398437, 20796874]

約数ペア:

[(1, 20796874), (2, 10398437), (7, 2970982), (14, 1485491), (49, 424426), (98, 212213), (137, 151802), (274, 75901), (959, 21686), (1549, 13426), (1918, 10843), (3098, 6713)]