20388266

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2207}}^1$

素因数の和:2389

約数の個数: 16

約数和(自身を含む): 31795200

約数和(自身を除く): 11406934

約数列:

[1, 2, 31, 62, 149, 298, 2207, 4414, 4619, 9238, 68417, 136834, 328843, 657686, 10194133, 20388266]

約数ペア:

[(1, 20388266), (2, 10194133), (31, 657686), (62, 328843), (149, 136834), (298, 68417), (2207, 9238), (4414, 4619)]