20507626

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1\times {\mathrm{557}}^1$

素因数の和:1049

約数の個数: 16

約数和(自身を含む): 31638600

約数和(自身を除く): 11130974

約数列:

[1, 2, 41, 82, 449, 557, 898, 1114, 18409, 22837, 36818, 45674, 250093, 500186, 10253813, 20507626]

約数ペア:

[(1, 20507626), (2, 10253813), (41, 500186), (82, 250093), (449, 45674), (557, 36818), (898, 22837), (1114, 18409)]