20577200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7349}}^1$

素因数の和:7374

約数の個数: 60

約数和(自身を含む): 56506800

約数和(自身を除く): 35929600

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, 7349, 14698, 29396, 36745, 51443, 58792, 73490, 102886, 117584, 146980, 183725, 205772, 257215, 293960, 367450, 411544, 514430, 587920, 734900, 823088, 1028860, 1286075, 1469800, 2057720, 2572150, 2939600, 4115440, 5144300, 10288600, 20577200]

約数ペア:

[(1, 20577200), (2, 10288600), (4, 5144300), (5, 4115440), (7, 2939600), (8, 2572150), (10, 2057720), (14, 1469800), (16, 1286075), (20, 1028860), (25, 823088), (28, 734900), (35, 587920), (40, 514430), (50, 411544), (56, 367450), (70, 293960), (80, 257215), (100, 205772), (112, 183725), (140, 146980), (175, 117584), (200, 102886), (280, 73490), (350, 58792), (400, 51443), (560, 36745), (700, 29396), (1400, 14698), (2800, 7349)]