20512202012

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{11717}}^1\times {\mathrm{5273}}^1$

素因数の和:17077

約数の個数: 24

約数和(自身を含む): 36338830416

約数和(自身を除く): 15826628404

約数列:

[1, 2, 4, 83, 166, 332, 5273, 10546, 11717, 21092, 23434, 46868, 437659, 875318, 972511, 1750636, 1945022, 3890044, 61783741, 123567482, 247134964, 5128050503, 10256101006, 20512202012]

約数ペア:

[(1, 20512202012), (2, 10256101006), (4, 5128050503), (83, 247134964), (166, 123567482), (332, 61783741), (5273, 3890044), (10546, 1945022), (11717, 1750636), (21092, 972511), (23434, 875318), (46868, 437659)]