20465115

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4001}}^1$

素因数の和:4051

約数の個数: 32

約数和(自身を含む): 36882432

約数和(自身を除く): 16417317

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 4001, 5115, 12003, 20005, 44011, 60015, 124031, 132033, 220055, 372093, 620155, 660165, 1364341, 1860465, 4093023, 6821705, 20465115]

約数ペア:

[(1, 20465115), (3, 6821705), (5, 4093023), (11, 1860465), (15, 1364341), (31, 660165), (33, 620155), (55, 372093), (93, 220055), (155, 132033), (165, 124031), (341, 60015), (465, 44011), (1023, 20005), (1705, 12003), (4001, 5115)]