20213200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7219}}^1$

素因数の和:7244

約数の個数: 60

約数和(自身を含む): 55507360

約数和(自身を除く): 35294160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 7219, 14438, 28876, 36095, 50533, 57752, 72190, 101066, 115504, 144380, 180475, 202132, 252665, 288760, 360950, 404264, 505330, 577520, 721900, 808528, 1010660, 1263325, 1443800, 2021320, 2526650, 2887600, 4042640, 5053300, 10106600, 20213200]

約数ペア:

[(1, 20213200), (2, 10106600), (4, 5053300), (5, 4042640), (7, 2887600), (8, 2526650), (10, 2021320), (14, 1443800), (16, 1263325), (20, 1010660), (25, 808528), (28, 721900), (35, 577520), (40, 505330), (50, 404264), (56, 360950), (70, 288760), (80, 252665), (100, 202132), (112, 180475), (140, 144380), (175, 115504), (200, 101066), (280, 72190), (350, 57752), (400, 50533), (560, 36095), (700, 28876), (1400, 14438), (2800, 7219)]