20348540

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2207}}^1$

素因数の和:2677

約数の個数: 24

約数和(自身を含む): 42844032

約数和(自身を除く): 22495492

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2207, 2305, 4414, 4610, 8828, 9220, 11035, 22070, 44140, 1017427, 2034854, 4069708, 5087135, 10174270, 20348540]

約数ペア:

[(1, 20348540), (2, 10174270), (4, 5087135), (5, 4069708), (10, 2034854), (20, 1017427), (461, 44140), (922, 22070), (1844, 11035), (2207, 9220), (2305, 8828), (4414, 4610)]