20426212

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 36461880

約数和(自身を除く): 16035668

約数列:

[1, 2, 4, 89, 178, 181, 317, 356, 362, 634, 724, 1268, 16109, 28213, 32218, 56426, 57377, 64436, 112852, 114754, 229508, 5106553, 10213106, 20426212]

約数ペア:

[(1, 20426212), (2, 10213106), (4, 5106553), (89, 229508), (178, 114754), (181, 112852), (317, 64436), (356, 57377), (362, 56426), (634, 32218), (724, 28213), (1268, 16109)]