20235870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7253}}^1$

素因数の和:7297

約数の個数: 48

約数和(自身を含む): 54317952

約数和(自身を除く): 34082082

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7253, 14506, 21759, 36265, 43518, 65277, 72530, 108795, 130554, 217590, 224843, 326385, 449686, 652770, 674529, 1124215, 1349058, 2023587, 2248430, 3372645, 4047174, 6745290, 10117935, 20235870]

約数ペア:

[(1, 20235870), (2, 10117935), (3, 6745290), (5, 4047174), (6, 3372645), (9, 2248430), (10, 2023587), (15, 1349058), (18, 1124215), (30, 674529), (31, 652770), (45, 449686), (62, 326385), (90, 224843), (93, 217590), (155, 130554), (186, 108795), (279, 72530), (310, 65277), (465, 43518), (558, 36265), (930, 21759), (1395, 14506), (2790, 7253)]