20227464

素因数分解:

$2^3\times 3^2\times {\mathrm{499}}^1\times {\mathrm{563}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 54990000

約数和(自身を除く): 34762536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 499, 563, 998, 1126, 1497, 1689, 1996, 2252, 2994, 3378, 3992, 4491, 4504, 5067, 5988, 6756, 8982, 10134, 11976, 13512, 17964, 20268, 35928, 40536, 280937, 561874, 842811, 1123748, 1685622, 2247496, 2528433, 3371244, 5056866, 6742488, 10113732, 20227464]

約数ペア:

[(1, 20227464), (2, 10113732), (3, 6742488), (4, 5056866), (6, 3371244), (8, 2528433), (9, 2247496), (12, 1685622), (18, 1123748), (24, 842811), (36, 561874), (72, 280937), (499, 40536), (563, 35928), (998, 20268), (1126, 17964), (1497, 13512), (1689, 11976), (1996, 10134), (2252, 8982), (2994, 6756), (3378, 5988), (3992, 5067), (4491, 4504)]