20996670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6421}}^1$

素因数の和:6540

約数の個数: 32

約数和(自身を含む): 50862240

約数和(自身を除く): 29865570

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 109, 218, 327, 545, 654, 1090, 1635, 3270, 6421, 12842, 19263, 32105, 38526, 64210, 96315, 192630, 699889, 1399778, 2099667, 3499445, 4199334, 6998890, 10498335, 20996670]

約数ペア:

[(1, 20996670), (2, 10498335), (3, 6998890), (5, 4199334), (6, 3499445), (10, 2099667), (15, 1399778), (30, 699889), (109, 192630), (218, 96315), (327, 64210), (545, 38526), (654, 32105), (1090, 19263), (1635, 12842), (3270, 6421)]