20175951681

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{4831}}^1\times {\mathrm{14969}}^1$

素因数の和:19837

約数の個数: 24

約数和(自身を含む): 30091376640

約数和(自身を除く): 9915424959

約数列:

[1, 3, 9, 31, 93, 279, 4831, 14493, 14969, 43479, 44907, 134721, 149761, 449283, 464039, 1347849, 1392117, 4176351, 72315239, 216945717, 650837151, 2241772409, 6725317227, 20175951681]

約数ペア:

[(1, 20175951681), (3, 6725317227), (9, 2241772409), (31, 650837151), (93, 216945717), (279, 72315239), (4831, 4176351), (14493, 1392117), (14969, 1347849), (43479, 464039), (44907, 449283), (134721, 149761)]