20682760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73867}}^1$

素因数の和:73885

約数の個数: 32

約数和(自身を含む): 53184960

約数和(自身を除く): 32502200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73867, 147734, 295468, 369335, 517069, 590936, 738670, 1034138, 1477340, 2068276, 2585345, 2954680, 4136552, 5170690, 10341380, 20682760]

約数ペア:

[(1, 20682760), (2, 10341380), (4, 5170690), (5, 4136552), (7, 2954680), (8, 2585345), (10, 2068276), (14, 1477340), (20, 1034138), (28, 738670), (35, 590936), (40, 517069), (56, 369335), (70, 295468), (140, 147734), (280, 73867)]