20447210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41729}}^1$

素因数の和:41750

約数の個数: 24

約数和(自身を含む): 42814980

約数和(自身を除く): 22367770

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41729, 83458, 208645, 292103, 417290, 584206, 1460515, 2044721, 2921030, 4089442, 10223605, 20447210]

約数ペア:

[(1, 20447210), (2, 10223605), (5, 4089442), (7, 2921030), (10, 2044721), (14, 1460515), (35, 584206), (49, 417290), (70, 292103), (98, 208645), (245, 83458), (490, 41729)]