20501100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{2531}}^1$

素因数の和:2557

約数の個数: 90

約数和(自身を含む): 66482724

約数和(自身を除く): 45981624

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2531, 2700, 4050, 5062, 7593, 8100, 10124, 12655, 15186, 22779, 25310, 30372, 37965, 45558, 50620, 63275, 68337, 75930, 91116, 113895, 126550, 136674, 151860, 189825, 205011, 227790, 253100, 273348, 341685, 379650, 410022, 455580, 569475, 683370, 759300, 820044, 1025055, 1138950, 1366740, 1708425, 2050110, 2277900, 3416850, 4100220, 5125275, 6833700, 10250550, 20501100]

約数ペア:

[(1, 20501100), (2, 10250550), (3, 6833700), (4, 5125275), (5, 4100220), (6, 3416850), (9, 2277900), (10, 2050110), (12, 1708425), (15, 1366740), (18, 1138950), (20, 1025055), (25, 820044), (27, 759300), (30, 683370), (36, 569475), (45, 455580), (50, 410022), (54, 379650), (60, 341685), (75, 273348), (81, 253100), (90, 227790), (100, 205011), (108, 189825), (135, 151860), (150, 136674), (162, 126550), (180, 113895), (225, 91116), (270, 75930), (300, 68337), (324, 63275), (405, 50620), (450, 45558), (540, 37965), (675, 30372), (810, 25310), (900, 22779), (1350, 15186), (1620, 12655), (2025, 10124), (2531, 8100), (2700, 7593), (4050, 5062)]