20178097653

素因数分解:

$3^1\times 7^1\times {\mathrm{7477}}^1\times {\mathrm{128509}}^1$

素因数の和:135996

約数の個数: 16

約数和(自身を含む): 30751928960

約数和(自身を除く): 10573831307

約数列:

[1, 3, 7, 21, 7477, 22431, 52339, 128509, 157017, 385527, 899563, 2698689, 960861793, 2882585379, 6726032551, 20178097653]

約数ペア:

[(1, 20178097653), (3, 6726032551), (7, 2882585379), (21, 960861793), (7477, 2698689), (22431, 899563), (52339, 385527), (128509, 157017)]