20759360

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2237}}^1$

素因数の和:2283

約数の個数: 56

約数和(自身を含む): 51160680

約数和(自身を除く): 30401320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2237, 2320, 4474, 4640, 8948, 9280, 11185, 17896, 22370, 35792, 44740, 64873, 71584, 89480, 129746, 143168, 178960, 259492, 324365, 357920, 518984, 648730, 715840, 1037968, 1297460, 2075936, 2594920, 4151872, 5189840, 10379680, 20759360]

約数ペア:

[(1, 20759360), (2, 10379680), (4, 5189840), (5, 4151872), (8, 2594920), (10, 2075936), (16, 1297460), (20, 1037968), (29, 715840), (32, 648730), (40, 518984), (58, 357920), (64, 324365), (80, 259492), (116, 178960), (145, 143168), (160, 129746), (232, 89480), (290, 71584), (320, 64873), (464, 44740), (580, 35792), (928, 22370), (1160, 17896), (1856, 11185), (2237, 9280), (2320, 8948), (4474, 4640)]