20939345

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7573}}^1$

素因数の和:7664

約数の個数: 16

約数和(自身を含む): 29084160

約数和(自身を除く): 8144815

約数列:

[1, 5, 7, 35, 79, 395, 553, 2765, 7573, 37865, 53011, 265055, 598267, 2991335, 4187869, 20939345]

約数ペア:

[(1, 20939345), (5, 4187869), (7, 2991335), (35, 598267), (79, 265055), (395, 53011), (553, 37865), (2765, 7573)]