20417851664

素因数分解:

$2^4\times 7^1\times {\mathrm{182302247}}^1$

素因数の和:182302262

約数の個数: 20

約数和(自身を含む): 45210957504

約数和(自身を除く): 24793105840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 182302247, 364604494, 729208988, 1276115729, 1458417976, 2552231458, 2916835952, 5104462916, 10208925832, 20417851664]

約数ペア:

[(1, 20417851664), (2, 10208925832), (4, 5104462916), (7, 2916835952), (8, 2552231458), (14, 1458417976), (16, 1276115729), (28, 729208988), (56, 364604494), (112, 182302247)]