20071508

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1031}}^1$

素因数の和:1223

約数の個数: 24

約数和(自身を含む): 36524544

約数和(自身を除く): 16453036

約数列:

[1, 2, 4, 31, 62, 124, 157, 314, 628, 1031, 2062, 4124, 4867, 9734, 19468, 31961, 63922, 127844, 161867, 323734, 647468, 5017877, 10035754, 20071508]

約数ペア:

[(1, 20071508), (2, 10035754), (4, 5017877), (31, 647468), (62, 323734), (124, 161867), (157, 127844), (314, 63922), (628, 31961), (1031, 19468), (2062, 9734), (4124, 4867)]