20104575

素因数分解:

$3^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{1481}}^1$

素因数の和:1675

約数の個数: 24

約数和(自身を含む): 33445776

約数和(自身を除く): 13341201

約数列:

[1, 3, 5, 15, 25, 75, 181, 543, 905, 1481, 2715, 4443, 4525, 7405, 13575, 22215, 37025, 111075, 268061, 804183, 1340305, 4020915, 6701525, 20104575]

約数ペア:

[(1, 20104575), (3, 6701525), (5, 4020915), (15, 1340305), (25, 804183), (75, 268061), (181, 111075), (543, 37025), (905, 22215), (1481, 13575), (2715, 7405), (4443, 4525)]