20510776

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17929}}^1$

素因数の和:17959

約数の個数: 32

約数和(自身を含む): 45183600

約数和(自身を除く): 24672824

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17929, 35858, 71716, 143432, 197219, 233077, 394438, 466154, 788876, 932308, 1577752, 1864616, 2563847, 5127694, 10255388, 20510776]

約数ペア:

[(1, 20510776), (2, 10255388), (4, 5127694), (8, 2563847), (11, 1864616), (13, 1577752), (22, 932308), (26, 788876), (44, 466154), (52, 394438), (88, 233077), (104, 197219), (143, 143432), (286, 71716), (572, 35858), (1144, 17929)]