20474245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1949}}^1$

素因数の和:2156

約数の個数: 16

約数和(自身を含む): 26956800

約数和(自身を除く): 6482555

約数列:

[1, 5, 11, 55, 191, 955, 1949, 2101, 9745, 10505, 21439, 107195, 372259, 1861295, 4094849, 20474245]

約数ペア:

[(1, 20474245), (5, 4094849), (11, 1861295), (55, 372259), (191, 107195), (955, 21439), (1949, 10505), (2101, 9745)]