20835855

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5861}}^1$

素因数の和:5951

約数の個数: 24

約数和(自身を含む): 36578880

約数和(自身を除く): 15743025

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 1185, 3555, 5861, 17583, 29305, 52749, 87915, 263745, 463019, 1389057, 2315095, 4167171, 6945285, 20835855]

約数ペア:

[(1, 20835855), (3, 6945285), (5, 4167171), (9, 2315095), (15, 1389057), (45, 463019), (79, 263745), (237, 87915), (395, 52749), (711, 29305), (1185, 17583), (3555, 5861)]