20279868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1901}}^1$

素因数の和:2042

約数の個数: 48

約数和(自身を含む): 54534144

約数和(自身を除く): 34254276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 127, 254, 381, 508, 762, 889, 1524, 1778, 1901, 2667, 3556, 3802, 5334, 5703, 7604, 10668, 11406, 13307, 22812, 26614, 39921, 53228, 79842, 159684, 241427, 482854, 724281, 965708, 1448562, 1689989, 2897124, 3379978, 5069967, 6759956, 10139934, 20279868]

約数ペア:

[(1, 20279868), (2, 10139934), (3, 6759956), (4, 5069967), (6, 3379978), (7, 2897124), (12, 1689989), (14, 1448562), (21, 965708), (28, 724281), (42, 482854), (84, 241427), (127, 159684), (254, 79842), (381, 53228), (508, 39921), (762, 26614), (889, 22812), (1524, 13307), (1778, 11406), (1901, 10668), (2667, 7604), (3556, 5703), (3802, 5334)]