20716072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199193}}^1$

素因数の和:199212

約数の個数: 16

約数和(自身を含む): 41830740

約数和(自身を除く): 21114668

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199193, 398386, 796772, 1593544, 2589509, 5179018, 10358036, 20716072]

約数ペア:

[(1, 20716072), (2, 10358036), (4, 5179018), (8, 2589509), (13, 1593544), (26, 796772), (52, 398386), (104, 199193)]