20657266

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{64153}}^1$

素因数の和:64185

約数の個数: 16

約数和(自身を含む): 36952704

約数和(自身を除く): 16295438

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 64153, 128306, 449071, 898142, 1475519, 2951038, 10328633, 20657266]

約数ペア:

[(1, 20657266), (2, 10328633), (7, 2951038), (14, 1475519), (23, 898142), (46, 449071), (161, 128306), (322, 64153)]