20343688

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{82031}}^1$

素因数の和:82068

約数の個数: 16

約数和(自身を含む): 39375360

約数和(自身を除く): 19031672

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 82031, 164062, 328124, 656248, 2542961, 5085922, 10171844, 20343688]

約数ペア:

[(1, 20343688), (2, 10171844), (4, 5085922), (8, 2542961), (31, 656248), (62, 328124), (124, 164062), (248, 82031)]