20261268

素因数分解:

$2^2\times 3^2\times {\mathrm{562813}}^1$

素因数の和:562823

約数の個数: 18

約数和(自身を含む): 51216074

約数和(自身を除く): 30954806

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 562813, 1125626, 1688439, 2251252, 3376878, 5065317, 6753756, 10130634, 20261268]

約数ペア:

[(1, 20261268), (2, 10130634), (3, 6753756), (4, 5065317), (6, 3376878), (9, 2251252), (12, 1688439), (18, 1125626), (36, 562813)]