20525550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{709}}^1$

素因数の和:917

約数の個数: 48

約数和(自身を含む): 51239280

約数和(自身を除く): 30713730

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 193, 386, 579, 709, 965, 1158, 1418, 1930, 2127, 2895, 3545, 4254, 4825, 5790, 7090, 9650, 10635, 14475, 17725, 21270, 28950, 35450, 53175, 106350, 136837, 273674, 410511, 684185, 821022, 1368370, 2052555, 3420925, 4105110, 6841850, 10262775, 20525550]

約数ペア:

[(1, 20525550), (2, 10262775), (3, 6841850), (5, 4105110), (6, 3420925), (10, 2052555), (15, 1368370), (25, 821022), (30, 684185), (50, 410511), (75, 273674), (150, 136837), (193, 106350), (386, 53175), (579, 35450), (709, 28950), (965, 21270), (1158, 17725), (1418, 14475), (1930, 10635), (2127, 9650), (2895, 7090), (3545, 5790), (4254, 4825)]