20986524

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44843}}^1$

素因数の和:44866

約数の個数: 36

約数和(自身を含む): 57131256

約数和(自身を除く): 36144732

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44843, 89686, 134529, 179372, 269058, 403587, 538116, 582959, 807174, 1165918, 1614348, 1748877, 2331836, 3497754, 5246631, 6995508, 10493262, 20986524]

約数ペア:

[(1, 20986524), (2, 10493262), (3, 6995508), (4, 5246631), (6, 3497754), (9, 2331836), (12, 1748877), (13, 1614348), (18, 1165918), (26, 807174), (36, 582959), (39, 538116), (52, 403587), (78, 269058), (117, 179372), (156, 134529), (234, 89686), (468, 44843)]