20291600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7247}}^1$

素因数の和:7272

約数の個数: 60

約数和(自身を含む): 55722624

約数和(自身を除く): 35431024

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, 7247, 14494, 28988, 36235, 50729, 57976, 72470, 101458, 115952, 144940, 181175, 202916, 253645, 289880, 362350, 405832, 507290, 579760, 724700, 811664, 1014580, 1268225, 1449400, 2029160, 2536450, 2898800, 4058320, 5072900, 10145800, 20291600]

約数ペア:

[(1, 20291600), (2, 10145800), (4, 5072900), (5, 4058320), (7, 2898800), (8, 2536450), (10, 2029160), (14, 1449400), (16, 1268225), (20, 1014580), (25, 811664), (28, 724700), (35, 579760), (40, 507290), (50, 405832), (56, 362350), (70, 289880), (80, 253645), (100, 202916), (112, 181175), (140, 144940), (175, 115952), (200, 101458), (280, 72470), (350, 57976), (400, 50729), (560, 36235), (700, 28988), (1400, 14494), (2800, 7247)]