20205145

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{733}}^1$

素因数の和:924

約数の個数: 16

約数和(自身を含む): 25102800

約数和(自身を除く): 4897655

約数列:

[1, 5, 37, 149, 185, 733, 745, 3665, 5513, 27121, 27565, 109217, 135605, 546085, 4041029, 20205145]

約数ペア:

[(1, 20205145), (5, 4041029), (37, 546085), (149, 135605), (185, 109217), (733, 27565), (745, 27121), (3665, 5513)]