2081456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{10007}}^1$

素因数の和:10028

約数の個数: 20

約数和(自身を含む): 4343472

約数和(自身を除く): 2262016

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 10007, 20014, 40028, 80056, 130091, 160112, 260182, 520364, 1040728, 2081456]

約数ペア:

[(1, 2081456), (2, 1040728), (4, 520364), (8, 260182), (13, 160112), (16, 130091), (26, 80056), (52, 40028), (104, 20014), (208, 10007)]