20704060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79631}}^1$

素因数の和:79653

約数の個数: 24

約数和(自身を含む): 46823616

約数和(自身を除く): 26119556

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 79631, 159262, 318524, 398155, 796310, 1035203, 1592620, 2070406, 4140812, 5176015, 10352030, 20704060]

約数ペア:

[(1, 20704060), (2, 10352030), (4, 5176015), (5, 4140812), (10, 2070406), (13, 1592620), (20, 1035203), (26, 796310), (52, 398155), (65, 318524), (130, 159262), (260, 79631)]