20726961

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{2063}}^1$

素因数の和:2280

約数の個数: 16

約数和(自身を含む): 29424384

約数和(自身を除く): 8697423

約数列:

[1, 3, 17, 51, 197, 591, 2063, 3349, 6189, 10047, 35071, 105213, 406411, 1219233, 6908987, 20726961]

約数ペア:

[(1, 20726961), (3, 6908987), (17, 1219233), (51, 406411), (197, 105213), (591, 35071), (2063, 10047), (3349, 6189)]