20735044

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{42841}}^1$

素因数の和:42867

約数の個数: 18

約数和(自身を含む): 39885902

約数和(自身を除く): 19150858

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 42841, 85682, 171364, 471251, 942502, 1885004, 5183761, 10367522, 20735044]

約数ペア:

[(1, 20735044), (2, 10367522), (4, 5183761), (11, 1885004), (22, 942502), (44, 471251), (121, 171364), (242, 85682), (484, 42841)]