20961380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95279}}^1$

素因数の和:95299

約数の個数: 24

約数和(自身を含む): 48021120

約数和(自身を除く): 27059740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95279, 190558, 381116, 476395, 952790, 1048069, 1905580, 2096138, 4192276, 5240345, 10480690, 20961380]

約数ペア:

[(1, 20961380), (2, 10480690), (4, 5240345), (5, 4192276), (10, 2096138), (11, 1905580), (20, 1048069), (22, 952790), (44, 476395), (55, 381116), (110, 190558), (220, 95279)]