20390194

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{773}}^1$

素因数の和:906

約数の個数: 24

約数和(自身を含む): 33970860

約数和(自身を除く): 13580666

約数列:

[1, 2, 11, 22, 109, 121, 218, 242, 773, 1199, 1546, 2398, 8503, 13189, 17006, 26378, 84257, 93533, 168514, 187066, 926827, 1853654, 10195097, 20390194]

約数ペア:

[(1, 20390194), (2, 10195097), (11, 1853654), (22, 926827), (109, 187066), (121, 168514), (218, 93533), (242, 84257), (773, 26378), (1199, 17006), (1546, 13189), (2398, 8503)]