20664336

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5591}}^1$

素因数の和:5620

約数の個数: 80

約数和(自身を含む): 66567168

約数和(自身を除く): 45902832

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 132, 154, 168, 176, 231, 264, 308, 336, 462, 528, 616, 924, 1232, 1848, 3696, 5591, 11182, 16773, 22364, 33546, 39137, 44728, 61501, 67092, 78274, 89456, 117411, 123002, 134184, 156548, 184503, 234822, 246004, 268368, 313096, 369006, 430507, 469644, 492008, 626192, 738012, 861014, 939288, 984016, 1291521, 1476024, 1722028, 1878576, 2583042, 2952048, 3444056, 5166084, 6888112, 10332168, 20664336]

約数ペア:

[(1, 20664336), (2, 10332168), (3, 6888112), (4, 5166084), (6, 3444056), (7, 2952048), (8, 2583042), (11, 1878576), (12, 1722028), (14, 1476024), (16, 1291521), (21, 984016), (22, 939288), (24, 861014), (28, 738012), (33, 626192), (42, 492008), (44, 469644), (48, 430507), (56, 369006), (66, 313096), (77, 268368), (84, 246004), (88, 234822), (112, 184503), (132, 156548), (154, 134184), (168, 123002), (176, 117411), (231, 89456), (264, 78274), (308, 67092), (336, 61501), (462, 44728), (528, 39137), (616, 33546), (924, 22364), (1232, 16773), (1848, 11182), (3696, 5591)]