20922515

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1949}}^1$

素因数の和:2086

約数の個数: 16

約数和(自身を含む): 26676000

約数和(自身を除く): 5753485

約数列:

[1, 5, 19, 95, 113, 565, 1949, 2147, 9745, 10735, 37031, 185155, 220237, 1101185, 4184503, 20922515]

約数ペア:

[(1, 20922515), (5, 4184503), (19, 1101185), (95, 220237), (113, 185155), (565, 37031), (1949, 10735), (2147, 9745)]