20464380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37897}}^1$

素因数の和:37915

約数の個数: 48

約数和(自身を含む): 63668640

約数和(自身を除く): 43204260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37897, 75794, 113691, 151588, 189485, 227382, 341073, 378970, 454764, 568455, 682146, 757940, 1023219, 1136910, 1364292, 1705365, 2046438, 2273820, 3410730, 4092876, 5116095, 6821460, 10232190, 20464380]

約数ペア:

[(1, 20464380), (2, 10232190), (3, 6821460), (4, 5116095), (5, 4092876), (6, 3410730), (9, 2273820), (10, 2046438), (12, 1705365), (15, 1364292), (18, 1136910), (20, 1023219), (27, 757940), (30, 682146), (36, 568455), (45, 454764), (54, 378970), (60, 341073), (90, 227382), (108, 189485), (135, 151588), (180, 113691), (270, 75794), (540, 37897)]