20312996

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41969}}^1$

素因数の和:41995

約数の個数: 18

約数和(自身を含む): 39074070

約数和(自身を除く): 18761074

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41969, 83938, 167876, 461659, 923318, 1846636, 5078249, 10156498, 20312996]

約数ペア:

[(1, 20312996), (2, 10156498), (4, 5078249), (11, 1846636), (22, 923318), (44, 461659), (121, 167876), (242, 83938), (484, 41969)]