20591190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2099}}^1$

素因数の和:2221

約数の個数: 48

約数和(自身を含む): 54054000

約数和(自身を除く): 33462810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 109, 218, 327, 545, 654, 981, 1090, 1635, 1962, 2099, 3270, 4198, 4905, 6297, 9810, 10495, 12594, 18891, 20990, 31485, 37782, 62970, 94455, 188910, 228791, 457582, 686373, 1143955, 1372746, 2059119, 2287910, 3431865, 4118238, 6863730, 10295595, 20591190]

約数ペア:

[(1, 20591190), (2, 10295595), (3, 6863730), (5, 4118238), (6, 3431865), (9, 2287910), (10, 2059119), (15, 1372746), (18, 1143955), (30, 686373), (45, 457582), (90, 228791), (109, 188910), (218, 94455), (327, 62970), (545, 37782), (654, 31485), (981, 20990), (1090, 18891), (1635, 12594), (1962, 10495), (2099, 9810), (3270, 6297), (4198, 4905)]