20166771

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 29767680

約数和(自身を除く): 9600909

約数列:

[1, 3, 19, 31, 57, 93, 101, 113, 303, 339, 589, 1767, 1919, 2147, 3131, 3503, 5757, 6441, 9393, 10509, 11413, 34239, 59489, 66557, 178467, 199671, 216847, 353803, 650541, 1061409, 6722257, 20166771]

約数ペア:

[(1, 20166771), (3, 6722257), (19, 1061409), (31, 650541), (57, 353803), (93, 216847), (101, 199671), (113, 178467), (303, 66557), (339, 59489), (589, 34239), (1767, 11413), (1919, 10509), (2147, 9393), (3131, 6441), (3503, 5757)]