20201958

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6971}}^1$

素因数の和:7009

約数の個数: 48

約数和(自身を含む): 52206336

約数和(自身を除く): 32004378

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898, 6971, 13942, 20913, 41826, 48797, 62739, 97594, 125478, 146391, 160333, 292782, 320666, 439173, 480999, 878346, 961998, 1122331, 1442997, 2244662, 2885994, 3366993, 6733986, 10100979, 20201958]

約数ペア:

[(1, 20201958), (2, 10100979), (3, 6733986), (6, 3366993), (7, 2885994), (9, 2244662), (14, 1442997), (18, 1122331), (21, 961998), (23, 878346), (42, 480999), (46, 439173), (63, 320666), (69, 292782), (126, 160333), (138, 146391), (161, 125478), (207, 97594), (322, 62739), (414, 48797), (483, 41826), (966, 20913), (1449, 13942), (2898, 6971)]