20725869

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{1009}}^1$

素因数の和:1220

約数の個数: 16

約数和(自身を含む): 28506240

約数和(自身を除く): 7780371

約数列:

[1, 3, 41, 123, 167, 501, 1009, 3027, 6847, 20541, 41369, 124107, 168503, 505509, 6908623, 20725869]

約数ペア:

[(1, 20725869), (3, 6908623), (41, 505509), (123, 168503), (167, 124107), (501, 41369), (1009, 20541), (3027, 6847)]