20305607

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:662

約数の個数: 16

約数和(自身を含む): 23869440

約数和(自身を除く): 3563833

約数列:

[1, 7, 73, 79, 503, 511, 553, 3521, 5767, 36719, 39737, 40369, 257033, 278159, 2900801, 20305607]

約数ペア:

[(1, 20305607), (7, 2900801), (73, 278159), (79, 257033), (503, 40369), (511, 39737), (553, 36719), (3521, 5767)]