20197748

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{1151}}^1$

素因数の和:1303

約数の個数: 24

約数和(自身を含む): 36578304

約数和(自身を除く): 16380556

約数列:

[1, 2, 4, 41, 82, 107, 164, 214, 428, 1151, 2302, 4387, 4604, 8774, 17548, 47191, 94382, 123157, 188764, 246314, 492628, 5049437, 10098874, 20197748]

約数ペア:

[(1, 20197748), (2, 10098874), (4, 5049437), (41, 492628), (82, 246314), (107, 188764), (164, 123157), (214, 94382), (428, 47191), (1151, 17548), (2302, 8774), (4387, 4604)]