20216918870

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{138311}}^1$

素因数の和:138676

約数の個数: 32

約数和(自身を含む): 37284489216

約数和(自身を除く): 17067570346

約数列:

[1, 2, 5, 10, 47, 94, 235, 311, 470, 622, 1555, 3110, 14617, 29234, 73085, 138311, 146170, 276622, 691555, 1383110, 6500617, 13001234, 32503085, 43014721, 65006170, 86029442, 215073605, 430147210, 2021691887, 4043383774, 10108459435, 20216918870]

約数ペア:

[(1, 20216918870), (2, 10108459435), (5, 4043383774), (10, 2021691887), (47, 430147210), (94, 215073605), (235, 86029442), (311, 65006170), (470, 43014721), (622, 32503085), (1555, 13001234), (3110, 6500617), (14617, 1383110), (29234, 691555), (73085, 276622), (138311, 146170)]