20797464

素因数分解:

$2^3\times 3^1\times {\mathrm{401}}^1\times {\mathrm{2161}}^1$

素因数の和:2571

約数の個数: 32

約数和(自身を含む): 52147440

約数和(自身を除く): 31349976

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 401, 802, 1203, 1604, 2161, 2406, 3208, 4322, 4812, 6483, 8644, 9624, 12966, 17288, 25932, 51864, 866561, 1733122, 2599683, 3466244, 5199366, 6932488, 10398732, 20797464]

約数ペア:

[(1, 20797464), (2, 10398732), (3, 6932488), (4, 5199366), (6, 3466244), (8, 2599683), (12, 1733122), (24, 866561), (401, 51864), (802, 25932), (1203, 17288), (1604, 12966), (2161, 9624), (2406, 8644), (3208, 6483), (4322, 4812)]