15489620

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4933}}^1$

素因数の和:5099

約数の個数: 24

約数和(自身を含む): 32742024

約数和(自身を除く): 17252404

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 4933, 9866, 19732, 24665, 49330, 98660, 774481, 1548962, 3097924, 3872405, 7744810, 15489620]

約数ペア:

[(1, 15489620), (2, 7744810), (4, 3872405), (5, 3097924), (10, 1548962), (20, 774481), (157, 98660), (314, 49330), (628, 24665), (785, 19732), (1570, 9866), (3140, 4933)]