20267254390

素因数分解:

$2^1\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{973919}}^1$

素因数の和:976007

約数の個数: 16

約数和(自身を含む): 36498625920

約数和(自身を除く): 16231371530

約数列:

[1, 2, 5, 10, 2081, 4162, 10405, 20810, 973919, 1947838, 4869595, 9739190, 2026725439, 4053450878, 10133627195, 20267254390]

約数ペア:

[(1, 20267254390), (2, 10133627195), (5, 4053450878), (10, 2026725439), (2081, 9739190), (4162, 4869595), (10405, 1947838), (20810, 973919)]