20183205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{911}}^1$

素因数の和:1137

約数の個数: 32

約数和(自身を含む): 37122048

約数和(自身を除く): 16938843

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 211, 633, 911, 1055, 1477, 2733, 3165, 4431, 4555, 6377, 7385, 13665, 19131, 22155, 31885, 95655, 192221, 576663, 961105, 1345547, 2883315, 4036641, 6727735, 20183205]

約数ペア:

[(1, 20183205), (3, 6727735), (5, 4036641), (7, 2883315), (15, 1345547), (21, 961105), (35, 576663), (105, 192221), (211, 95655), (633, 31885), (911, 22155), (1055, 19131), (1477, 13665), (2733, 7385), (3165, 6377), (4431, 4555)]