20372360

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2131}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 46051200

約数和(自身を除く): 25678840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2131, 2390, 4262, 4780, 8524, 9560, 10655, 17048, 21310, 42620, 85240, 509309, 1018618, 2037236, 2546545, 4074472, 5093090, 10186180, 20372360]

約数ペア:

[(1, 20372360), (2, 10186180), (4, 5093090), (5, 4074472), (8, 2546545), (10, 2037236), (20, 1018618), (40, 509309), (239, 85240), (478, 42620), (956, 21310), (1195, 17048), (1912, 10655), (2131, 9560), (2390, 8524), (4262, 4780)]