20928655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9281}}^1$

素因数の和:9338

約数の個数: 16

約数和(自身を含む): 28068768

約数和(自身を除く): 7140113

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 9281, 46405, 102091, 380521, 510455, 1902605, 4185731, 20928655]

約数ペア:

[(1, 20928655), (5, 4185731), (11, 1902605), (41, 510455), (55, 380521), (205, 102091), (451, 46405), (2255, 9281)]