20446460

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4073}}^1$

素因数の和:4333

約数の個数: 24

約数和(自身を含む): 43119216

約数和(自身を除く): 22672756

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 4073, 5020, 8146, 16292, 20365, 40730, 81460, 1022323, 2044646, 4089292, 5111615, 10223230, 20446460]

約数ペア:

[(1, 20446460), (2, 10223230), (4, 5111615), (5, 4089292), (10, 2044646), (20, 1022323), (251, 81460), (502, 40730), (1004, 20365), (1255, 16292), (2510, 8146), (4073, 5020)]