20090771

素因数分解:

${\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^2$

素因数の和:326

約数の個数: 12

約数和(自身を含む): 21583800

約数和(自身を除く): 1493029

約数列:

[1, 19, 89, 109, 1691, 2071, 9701, 11881, 184319, 225739, 1057409, 20090771]

約数ペア:

[(1, 20090771), (19, 1057409), (89, 225739), (109, 184319), (1691, 11881), (2071, 9701)]