20699816

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 44236800

約数和(自身を除く): 23536984

約数列:

[1, 2, 4, 8, 19, 23, 31, 38, 46, 62, 76, 92, 124, 152, 184, 191, 248, 382, 437, 589, 713, 764, 874, 1178, 1426, 1528, 1748, 2356, 2852, 3496, 3629, 4393, 4712, 5704, 5921, 7258, 8786, 11842, 13547, 14516, 17572, 23684, 27094, 29032, 35144, 47368, 54188, 83467, 108376, 112499, 136183, 166934, 224998, 272366, 333868, 449996, 544732, 667736, 899992, 1089464, 2587477, 5174954, 10349908, 20699816]

約数ペア:

[(1, 20699816), (2, 10349908), (4, 5174954), (8, 2587477), (19, 1089464), (23, 899992), (31, 667736), (38, 544732), (46, 449996), (62, 333868), (76, 272366), (92, 224998), (124, 166934), (152, 136183), (184, 112499), (191, 108376), (248, 83467), (382, 54188), (437, 47368), (589, 35144), (713, 29032), (764, 27094), (874, 23684), (1178, 17572), (1426, 14516), (1528, 13547), (1748, 11842), (2356, 8786), (2852, 7258), (3496, 5921), (3629, 5704), (4393, 4712)]