20812038

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{266821}}^1$

素因数の和:266839

約数の個数: 16

約数和(自身を含む): 44826096

約数和(自身を除く): 24014058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 266821, 533642, 800463, 1600926, 3468673, 6937346, 10406019, 20812038]

約数ペア:

[(1, 20812038), (2, 10406019), (3, 6937346), (6, 3468673), (13, 1600926), (26, 800463), (39, 533642), (78, 266821)]