20468812

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1061}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 44960832

約数和(自身を除く): 24492020

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 182, 212, 364, 371, 689, 742, 1061, 1378, 1484, 2122, 2756, 4244, 4823, 7427, 9646, 13793, 14854, 19292, 27586, 29708, 55172, 56233, 96551, 112466, 193102, 224932, 386204, 393631, 731029, 787262, 1462058, 1574524, 2924116, 5117203, 10234406, 20468812]

約数ペア:

[(1, 20468812), (2, 10234406), (4, 5117203), (7, 2924116), (13, 1574524), (14, 1462058), (26, 787262), (28, 731029), (52, 393631), (53, 386204), (91, 224932), (106, 193102), (182, 112466), (212, 96551), (364, 56233), (371, 55172), (689, 29708), (742, 27586), (1061, 19292), (1378, 14854), (1484, 13793), (2122, 9646), (2756, 7427), (4244, 4823)]