20942960

素因数分解:

$2^4\times 5^1\times {\mathrm{261787}}^1$

素因数の和:261800

約数の個数: 20

約数和(自身を含む): 48692568

約数和(自身を除く): 27749608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 261787, 523574, 1047148, 1308935, 2094296, 2617870, 4188592, 5235740, 10471480, 20942960]

約数ペア:

[(1, 20942960), (2, 10471480), (4, 5235740), (5, 4188592), (8, 2617870), (10, 2094296), (16, 1308935), (20, 1047148), (40, 523574), (80, 261787)]