20778606

素因数分解:

$2^1\times 3^4\times {\mathrm{47}}^1\times {\mathrm{2729}}^1$

素因数の和:2790

約数の個数: 40

約数和(自身を含む): 47567520

約数和(自身を除く): 26788914

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 81, 94, 141, 162, 282, 423, 846, 1269, 2538, 2729, 3807, 5458, 7614, 8187, 16374, 24561, 49122, 73683, 128263, 147366, 221049, 256526, 384789, 442098, 769578, 1154367, 2308734, 3463101, 6926202, 10389303, 20778606]

約数ペア:

[(1, 20778606), (2, 10389303), (3, 6926202), (6, 3463101), (9, 2308734), (18, 1154367), (27, 769578), (47, 442098), (54, 384789), (81, 256526), (94, 221049), (141, 147366), (162, 128263), (282, 73683), (423, 49122), (846, 24561), (1269, 16374), (2538, 8187), (2729, 7614), (3807, 5458)]