20123090911

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1994953}}^1$

素因数の和:1995102

約数の個数: 16

約数和(自身を含む): 25280057088

約数和(自身を除く): 5156966177

約数列:

[1, 7, 11, 77, 131, 917, 1441, 10087, 1994953, 13964671, 21944483, 153611381, 261338843, 1829371901, 2874727273, 20123090911]

約数ペア:

[(1, 20123090911), (7, 2874727273), (11, 1829371901), (77, 261338843), (131, 153611381), (917, 21944483), (1441, 13964671), (10087, 1994953)]