20386804542

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{261369289}}^1$

素因数の和:261369307

約数の個数: 16

約数和(自身を含む): 43910040720

約数和(自身を除く): 23523236178

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 261369289, 522738578, 784107867, 1568215734, 3397800757, 6795601514, 10193402271, 20386804542]

約数ペア:

[(1, 20386804542), (2, 10193402271), (3, 6795601514), (6, 3397800757), (13, 1568215734), (26, 784107867), (39, 522738578), (78, 261369289)]