20370703760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{57727}}^1$

素因数の和:58152

約数の個数: 80

約数和(自身を含む): 51797256192

約数和(自身を除く): 31426552432

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 401, 440, 802, 880, 1604, 2005, 3208, 4010, 4411, 6416, 8020, 8822, 16040, 17644, 22055, 32080, 35288, 44110, 57727, 70576, 88220, 115454, 176440, 230908, 288635, 352880, 461816, 577270, 634997, 923632, 1154540, 1269994, 2309080, 2539988, 3174985, 4618160, 5079976, 6349970, 10159952, 12699940, 23148527, 25399880, 46297054, 50799760, 92594108, 115742635, 185188216, 231485270, 254633797, 370376432, 462970540, 509267594, 925941080, 1018535188, 1273168985, 1851882160, 2037070376, 2546337970, 4074140752, 5092675940, 10185351880, 20370703760]

約数ペア:

[(1, 20370703760), (2, 10185351880), (4, 5092675940), (5, 4074140752), (8, 2546337970), (10, 2037070376), (11, 1851882160), (16, 1273168985), (20, 1018535188), (22, 925941080), (40, 509267594), (44, 462970540), (55, 370376432), (80, 254633797), (88, 231485270), (110, 185188216), (176, 115742635), (220, 92594108), (401, 50799760), (440, 46297054), (802, 25399880), (880, 23148527), (1604, 12699940), (2005, 10159952), (3208, 6349970), (4010, 5079976), (4411, 4618160), (6416, 3174985), (8020, 2539988), (8822, 2309080), (16040, 1269994), (17644, 1154540), (22055, 923632), (32080, 634997), (35288, 577270), (44110, 461816), (57727, 352880), (70576, 288635), (88220, 230908), (115454, 176440)]