20600433

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 37100160

約数和(自身を除く): 16499727

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 441, 483, 621, 677, 1127, 1323, 1449, 2031, 3381, 4347, 4739, 6093, 10143, 14217, 15571, 18279, 30429, 33173, 42651, 46713, 99519, 108997, 127953, 140139, 298557, 326991, 420417, 762979, 895671, 980973, 2288937, 2942919, 6866811, 20600433]

約数ペア:

[(1, 20600433), (3, 6866811), (7, 2942919), (9, 2288937), (21, 980973), (23, 895671), (27, 762979), (49, 420417), (63, 326991), (69, 298557), (147, 140139), (161, 127953), (189, 108997), (207, 99519), (441, 46713), (483, 42651), (621, 33173), (677, 30429), (1127, 18279), (1323, 15571), (1449, 14217), (2031, 10143), (3381, 6093), (4347, 4739)]