20920707

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{6857}}^1$

素因数の和:6979

約数の個数: 16

約数和(自身を含む): 31272480

約数和(自身を除く): 10351773

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 6857, 20571, 61713, 185139, 774841, 2324523, 6973569, 20920707]

約数ペア:

[(1, 20920707), (3, 6973569), (9, 2324523), (27, 774841), (113, 185139), (339, 61713), (1017, 20571), (3051, 6857)]