20682552

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 56880000

約数和(自身を除く): 36197448

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 157, 264, 314, 471, 499, 628, 942, 998, 1256, 1497, 1727, 1884, 1996, 2994, 3454, 3768, 3992, 5181, 5489, 5988, 6908, 10362, 10978, 11976, 13816, 16467, 20724, 21956, 32934, 41448, 43912, 65868, 78343, 131736, 156686, 235029, 313372, 470058, 626744, 861773, 940116, 1723546, 1880232, 2585319, 3447092, 5170638, 6894184, 10341276, 20682552]

約数ペア:

[(1, 20682552), (2, 10341276), (3, 6894184), (4, 5170638), (6, 3447092), (8, 2585319), (11, 1880232), (12, 1723546), (22, 940116), (24, 861773), (33, 626744), (44, 470058), (66, 313372), (88, 235029), (132, 156686), (157, 131736), (264, 78343), (314, 65868), (471, 43912), (499, 41448), (628, 32934), (942, 21956), (998, 20724), (1256, 16467), (1497, 13816), (1727, 11976), (1884, 10978), (1996, 10362), (2994, 6908), (3454, 5988), (3768, 5489), (3992, 5181)]