20290948

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1931}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 37001664

約数和(自身を除く): 16710716

約数列:

[1, 2, 4, 37, 71, 74, 142, 148, 284, 1931, 2627, 3862, 5254, 7724, 10508, 71447, 137101, 142894, 274202, 285788, 548404, 5072737, 10145474, 20290948]

約数ペア:

[(1, 20290948), (2, 10145474), (4, 5072737), (37, 548404), (71, 285788), (74, 274202), (142, 142894), (148, 137101), (284, 71447), (1931, 10508), (2627, 7724), (3862, 5254)]