20448219906

素因数分解:

$2^1\times 3^3\times {\mathrm{257}}^1\times {\mathrm{271}}^1\times {\mathrm{5437}}^1$

素因数の和:5976

約数の個数: 64

約数和(自身を含む): 45794050560

約数和(自身を除く): 25345830654

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 257, 271, 514, 542, 771, 813, 1542, 1626, 2313, 2439, 4626, 4878, 5437, 6939, 7317, 10874, 13878, 14634, 16311, 32622, 48933, 69647, 97866, 139294, 146799, 208941, 293598, 417882, 626823, 1253646, 1397309, 1473427, 1880469, 2794618, 2946854, 3760938, 4191927, 4420281, 8383854, 8840562, 12575781, 13260843, 25151562, 26521686, 37727343, 39782529, 75454686, 79565058, 378670739, 757341478, 1136012217, 2272024434, 3408036651, 6816073302, 10224109953, 20448219906]

約数ペア:

[(1, 20448219906), (2, 10224109953), (3, 6816073302), (6, 3408036651), (9, 2272024434), (18, 1136012217), (27, 757341478), (54, 378670739), (257, 79565058), (271, 75454686), (514, 39782529), (542, 37727343), (771, 26521686), (813, 25151562), (1542, 13260843), (1626, 12575781), (2313, 8840562), (2439, 8383854), (4626, 4420281), (4878, 4191927), (5437, 3760938), (6939, 2946854), (7317, 2794618), (10874, 1880469), (13878, 1473427), (14634, 1397309), (16311, 1253646), (32622, 626823), (48933, 417882), (69647, 293598), (97866, 208941), (139294, 146799)]