20887672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{200843}}^1$

素因数の和:200862

約数の個数: 16

約数和(自身を含む): 42177240

約数和(自身を除く): 21289568

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 200843, 401686, 803372, 1606744, 2610959, 5221918, 10443836, 20887672]

約数ペア:

[(1, 20887672), (2, 10443836), (4, 5221918), (8, 2610959), (13, 1606744), (26, 803372), (52, 401686), (104, 200843)]