20282120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26687}}^1$

素因数の和:26717

約数の個数: 32

約数和(自身を含む): 48038400

約数和(自身を除く): 27756280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26687, 53374, 106748, 133435, 213496, 266870, 507053, 533740, 1014106, 1067480, 2028212, 2535265, 4056424, 5070530, 10141060, 20282120]

約数ペア:

[(1, 20282120), (2, 10141060), (4, 5070530), (5, 4056424), (8, 2535265), (10, 2028212), (19, 1067480), (20, 1014106), (38, 533740), (40, 507053), (76, 266870), (95, 213496), (152, 133435), (190, 106748), (380, 53374), (760, 26687)]