20038725

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{4241}}^1$

素因数の和:4267

約数の個数: 48

約数和(自身を含む): 42080640

約数和(自身を除く): 22041915

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4241, 4725, 12723, 21205, 29687, 38169, 63615, 89061, 106025, 114507, 148435, 190845, 267183, 318075, 445305, 572535, 742175, 801549, 954225, 1335915, 2226525, 2862675, 4007745, 6679575, 20038725]

約数ペア:

[(1, 20038725), (3, 6679575), (5, 4007745), (7, 2862675), (9, 2226525), (15, 1335915), (21, 954225), (25, 801549), (27, 742175), (35, 572535), (45, 445305), (63, 318075), (75, 267183), (105, 190845), (135, 148435), (175, 114507), (189, 106025), (225, 89061), (315, 63615), (525, 38169), (675, 29687), (945, 21205), (1575, 12723), (4241, 4725)]