20201291480

素因数分解:

$2^3\times 5^1\times {\mathrm{1453}}^1\times {\mathrm{347579}}^1$

素因数の和:349043

約数の個数: 32

約数和(自身を含む): 45484318800

約数和(自身を除く): 25283027320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1453, 2906, 5812, 7265, 11624, 14530, 29060, 58120, 347579, 695158, 1390316, 1737895, 2780632, 3475790, 6951580, 13903160, 505032287, 1010064574, 2020129148, 2525161435, 4040258296, 5050322870, 10100645740, 20201291480]

約数ペア:

[(1, 20201291480), (2, 10100645740), (4, 5050322870), (5, 4040258296), (8, 2525161435), (10, 2020129148), (20, 1010064574), (40, 505032287), (1453, 13903160), (2906, 6951580), (5812, 3475790), (7265, 2780632), (11624, 1737895), (14530, 1390316), (29060, 695158), (58120, 347579)]