20257556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3049}}^1$

素因数の和:3215

約数の個数: 24

約数和(自身を含む): 38942400

約数和(自身を除く): 18684844

約数列:

[1, 2, 4, 11, 22, 44, 151, 302, 604, 1661, 3049, 3322, 6098, 6644, 12196, 33539, 67078, 134156, 460399, 920798, 1841596, 5064389, 10128778, 20257556]

約数ペア:

[(1, 20257556), (2, 10128778), (4, 5064389), (11, 1841596), (22, 920798), (44, 460399), (151, 134156), (302, 67078), (604, 33539), (1661, 12196), (3049, 6644), (3322, 6098)]