20825586

素因数分解:

$2^1\times 3^5\times {\mathrm{73}}^1\times {\mathrm{587}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 47515104

約数和(自身を除く): 26689518

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 243, 438, 486, 587, 657, 1174, 1314, 1761, 1971, 3522, 3942, 5283, 5913, 10566, 11826, 15849, 17739, 31698, 35478, 42851, 47547, 85702, 95094, 128553, 142641, 257106, 285282, 385659, 771318, 1156977, 2313954, 3470931, 6941862, 10412793, 20825586]

約数ペア:

[(1, 20825586), (2, 10412793), (3, 6941862), (6, 3470931), (9, 2313954), (18, 1156977), (27, 771318), (54, 385659), (73, 285282), (81, 257106), (146, 142641), (162, 128553), (219, 95094), (243, 85702), (438, 47547), (486, 42851), (587, 35478), (657, 31698), (1174, 17739), (1314, 15849), (1761, 11826), (1971, 10566), (3522, 5913), (3942, 5283)]