20996930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{91291}}^1$

素因数の和:91321

約数の個数: 16

約数和(自身を含む): 39438144

約数和(自身を除く): 18441214

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 91291, 182582, 456455, 912910, 2099693, 4199386, 10498465, 20996930]

約数ペア:

[(1, 20996930), (2, 10498465), (5, 4199386), (10, 2099693), (23, 912910), (46, 456455), (115, 182582), (230, 91291)]