20463733240

素因数分解:

$2^3\times 5^1\times {\mathrm{511593331}}^1$

素因数の和:511593342

約数の個数: 16

約数和(自身を含む): 46043399880

約数和(自身を除く): 25579666640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 511593331, 1023186662, 2046373324, 2557966655, 4092746648, 5115933310, 10231866620, 20463733240]

約数ペア:

[(1, 20463733240), (2, 10231866620), (4, 5115933310), (5, 4092746648), (8, 2557966655), (10, 2046373324), (20, 1023186662), (40, 511593331)]