20110288

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{701}}^1$

素因数の和:883

約数の個数: 40

約数和(自身を含む): 42827616

約数和(自身を除く): 22717328

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 163, 176, 326, 652, 701, 1304, 1402, 1793, 2608, 2804, 3586, 5608, 7172, 7711, 11216, 14344, 15422, 28688, 30844, 61688, 114263, 123376, 228526, 457052, 914104, 1256893, 1828208, 2513786, 5027572, 10055144, 20110288]

約数ペア:

[(1, 20110288), (2, 10055144), (4, 5027572), (8, 2513786), (11, 1828208), (16, 1256893), (22, 914104), (44, 457052), (88, 228526), (163, 123376), (176, 114263), (326, 61688), (652, 30844), (701, 28688), (1304, 15422), (1402, 14344), (1793, 11216), (2608, 7711), (2804, 7172), (3586, 5608)]