20127583

素因数分解:

$7^4\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 20

約数和(自身を含む): 23998968

約数和(自身を除く): 3871385

約数列:

[1, 7, 49, 83, 101, 343, 581, 707, 2401, 4067, 4949, 8383, 28469, 34643, 58681, 199283, 242501, 410767, 2875369, 20127583]

約数ペア:

[(1, 20127583), (7, 2875369), (49, 410767), (83, 242501), (101, 199283), (343, 58681), (581, 34643), (707, 28469), (2401, 8383), (4067, 4949)]