20403780854

素因数分解:

$2^1\times {\mathrm{1277}}^1\times {\mathrm{1949}}^1\times {\mathrm{4099}}^1$

素因数の和:7327

約数の個数: 16

約数和(自身を含む): 30652830000

約数和(自身を除く): 10249049146

約数列:

[1, 2, 1277, 1949, 2554, 3898, 4099, 8198, 2488873, 4977746, 5234423, 7988951, 10468846, 15977902, 10201890427, 20403780854]

約数ペア:

[(1, 20403780854), (2, 10201890427), (1277, 15977902), (1949, 10468846), (2554, 7988951), (3898, 5234423), (4099, 4977746), (8198, 2488873)]