20043825

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 35283456

約数和(自身を除く): 15239631

約数列:

[1, 3, 5, 15, 25, 31, 37, 75, 93, 111, 155, 185, 233, 465, 555, 699, 775, 925, 1147, 1165, 2325, 2775, 3441, 3495, 5735, 5825, 7223, 8621, 17205, 17475, 21669, 25863, 28675, 36115, 43105, 86025, 108345, 129315, 180575, 215525, 267251, 541725, 646575, 801753, 1336255, 4008765, 6681275, 20043825]

約数ペア:

[(1, 20043825), (3, 6681275), (5, 4008765), (15, 1336255), (25, 801753), (31, 646575), (37, 541725), (75, 267251), (93, 215525), (111, 180575), (155, 129315), (185, 108345), (233, 86025), (465, 43105), (555, 36115), (699, 28675), (775, 25863), (925, 21669), (1147, 17475), (1165, 17205), (2325, 8621), (2775, 7223), (3441, 5825), (3495, 5735)]