20164734500

素因数分解:

$2^2\times 5^3\times {\mathrm{823}}^1\times {\mathrm{49003}}^1$

素因数の和:49845

約数の個数: 48

約数和(自身を含む): 44094191232

約数和(自身を除く): 23929456732

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 823, 1646, 3292, 4115, 8230, 16460, 20575, 41150, 49003, 82300, 98006, 102875, 196012, 205750, 245015, 411500, 490030, 980060, 1225075, 2450150, 4900300, 6125375, 12250750, 24501500, 40329469, 80658938, 161317876, 201647345, 403294690, 806589380, 1008236725, 2016473450, 4032946900, 5041183625, 10082367250, 20164734500]

約数ペア:

[(1, 20164734500), (2, 10082367250), (4, 5041183625), (5, 4032946900), (10, 2016473450), (20, 1008236725), (25, 806589380), (50, 403294690), (100, 201647345), (125, 161317876), (250, 80658938), (500, 40329469), (823, 24501500), (1646, 12250750), (3292, 6125375), (4115, 4900300), (8230, 2450150), (16460, 1225075), (20575, 980060), (41150, 490030), (49003, 411500), (82300, 245015), (98006, 205750), (102875, 196012)]