20040656

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{2551}}^1$

素因数の和:3050

約数の個数: 20

約数和(自身を含む): 38923104

約数和(自身を除く): 18882448

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 2551, 3928, 5102, 7856, 10204, 20408, 40816, 1252541, 2505082, 5010164, 10020328, 20040656]

約数ペア:

[(1, 20040656), (2, 10020328), (4, 5010164), (8, 2505082), (16, 1252541), (491, 40816), (982, 20408), (1964, 10204), (2551, 7856), (3928, 5102)]