20512093693

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{73351}}^1$

素因数の和:73817

約数の個数: 24

約数和(自身を含む): 25755354240

約数和(自身を除く): 5243260547

約数列:

[1, 7, 13, 49, 91, 439, 637, 3073, 5707, 21511, 39949, 73351, 279643, 513457, 953563, 3594199, 6674941, 32201089, 46724587, 225407623, 418614157, 1577853361, 2930299099, 20512093693]

約数ペア:

[(1, 20512093693), (7, 2930299099), (13, 1577853361), (49, 418614157), (91, 225407623), (439, 46724587), (637, 32201089), (3073, 6674941), (5707, 3594199), (21511, 953563), (39949, 513457), (73351, 279643)]