20012146

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4481}}^1$

素因数の和:4530

約数の個数: 32

約数和(自身を含む): 38724480

約数和(自身を除く): 18712334

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 203, 319, 406, 638, 2233, 4466, 4481, 8962, 31367, 49291, 62734, 98582, 129949, 259898, 345037, 690074, 909643, 1429439, 1819286, 2858878, 10006073, 20012146]

約数ペア:

[(1, 20012146), (2, 10006073), (7, 2858878), (11, 1819286), (14, 1429439), (22, 909643), (29, 690074), (58, 345037), (77, 259898), (154, 129949), (203, 98582), (319, 62734), (406, 49291), (638, 31367), (2233, 8962), (4466, 4481)]