20547507

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3389}}^1$

素因数の和:3482

約数の個数: 16

約数和(自身を含む): 28638720

約数和(自身を除く): 8091213

約数列:

[1, 3, 43, 47, 129, 141, 2021, 3389, 6063, 10167, 145727, 159283, 437181, 477849, 6849169, 20547507]

約数ペア:

[(1, 20547507), (3, 6849169), (43, 477849), (47, 437181), (129, 159283), (141, 145727), (2021, 10167), (3389, 6063)]