20168890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41161}}^1$

素因数の和:41182

約数の個数: 24

約数和(自身を含む): 42232212

約数和(自身を除く): 22063322

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41161, 82322, 205805, 288127, 411610, 576254, 1440635, 2016889, 2881270, 4033778, 10084445, 20168890]

約数ペア:

[(1, 20168890), (2, 10084445), (5, 4033778), (7, 2881270), (10, 2016889), (14, 1440635), (35, 576254), (49, 411610), (70, 288127), (98, 205805), (245, 82322), (490, 41161)]