20902386

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{81017}}^1$

素因数の和:81065

約数の個数: 16

約数和(自身を含む): 42777504

約数和(自身を除く): 21875118

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 81017, 162034, 243051, 486102, 3483731, 6967462, 10451193, 20902386]

約数ペア:

[(1, 20902386), (2, 10451193), (3, 6967462), (6, 3483731), (43, 486102), (86, 243051), (129, 162034), (258, 81017)]