20939758

素因数分解:

$2^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{2927}}^1$

素因数の和:3016

約数の個数: 24

約数和(自身を含む): 37050912

約数和(自身を除く): 16111154

約数列:

[1, 2, 7, 14, 49, 73, 98, 146, 511, 1022, 2927, 3577, 5854, 7154, 20489, 40978, 143423, 213671, 286846, 427342, 1495697, 2991394, 10469879, 20939758]

約数ペア:

[(1, 20939758), (2, 10469879), (7, 2991394), (14, 1495697), (49, 427342), (73, 286846), (98, 213671), (146, 143423), (511, 40978), (1022, 20489), (2927, 7154), (3577, 5854)]