20348420

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3673}}^1$

素因数の和:3959

約数の個数: 24

約数和(自身を含む): 42897624

約数和(自身を除く): 22549204

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 3673, 5540, 7346, 14692, 18365, 36730, 73460, 1017421, 2034842, 4069684, 5087105, 10174210, 20348420]

約数ペア:

[(1, 20348420), (2, 10174210), (4, 5087105), (5, 4069684), (10, 2034842), (20, 1017421), (277, 73460), (554, 36730), (1108, 18365), (1385, 14692), (2770, 7346), (3673, 5540)]