17142020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{122443}}^1$

素因数の和:122459

約数の個数: 24

約数和(自身を含む): 41141184

約数和(自身を除く): 23999164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 122443, 244886, 489772, 612215, 857101, 1224430, 1714202, 2448860, 3428404, 4285505, 8571010, 17142020]

約数ペア:

[(1, 17142020), (2, 8571010), (4, 4285505), (5, 3428404), (7, 2448860), (10, 1714202), (14, 1224430), (20, 857101), (28, 612215), (35, 489772), (70, 244886), (140, 122443)]