20690600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{14779}}^1$

素因数の和:14802

約数の個数: 48

約数和(自身を含む): 54981600

約数和(自身を除く): 34291000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 14779, 29558, 59116, 73895, 103453, 118232, 147790, 206906, 295580, 369475, 413812, 517265, 591160, 738950, 827624, 1034530, 1477900, 2069060, 2586325, 2955800, 4138120, 5172650, 10345300, 20690600]

約数ペア:

[(1, 20690600), (2, 10345300), (4, 5172650), (5, 4138120), (7, 2955800), (8, 2586325), (10, 2069060), (14, 1477900), (20, 1034530), (25, 827624), (28, 738950), (35, 591160), (40, 517265), (50, 413812), (56, 369475), (70, 295580), (100, 206906), (140, 147790), (175, 118232), (200, 103453), (280, 73895), (350, 59116), (700, 29558), (1400, 14779)]