20411272

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9851}}^1$

素因数の和:9901

約数の個数: 32

約数和(自身を含む): 44925120

約数和(自身を除く): 24513848

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 9851, 19702, 39404, 68957, 78808, 137914, 275828, 364487, 551656, 728974, 1457948, 2551409, 2915896, 5102818, 10205636, 20411272]

約数ペア:

[(1, 20411272), (2, 10205636), (4, 5102818), (7, 2915896), (8, 2551409), (14, 1457948), (28, 728974), (37, 551656), (56, 364487), (74, 275828), (148, 137914), (259, 78808), (296, 68957), (518, 39404), (1036, 19702), (2072, 9851)]