20808880330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{297269719}}^1$

素因数の和:297269733

約数の個数: 16

約数和(自身を含む): 42806839680

約数和(自身を除く): 21997959350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 297269719, 594539438, 1486348595, 2080888033, 2972697190, 4161776066, 10404440165, 20808880330]

約数ペア:

[(1, 20808880330), (2, 10404440165), (5, 4161776066), (7, 2972697190), (10, 2080888033), (14, 1486348595), (35, 594539438), (70, 297269719)]