20172620871

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{1361}}^1\times {\mathrm{126683}}^1$

素因数の和:128063

約数の個数: 24

約数和(自身を含む): 31402936656

約数和(自身を除く): 11230315785

約数列:

[1, 3, 9, 13, 39, 117, 1361, 4083, 12249, 17693, 53079, 126683, 159237, 380049, 1140147, 1646879, 4940637, 14821911, 172415563, 517246689, 1551740067, 2241402319, 6724206957, 20172620871]

約数ペア:

[(1, 20172620871), (3, 6724206957), (9, 2241402319), (13, 1551740067), (39, 517246689), (117, 172415563), (1361, 14821911), (4083, 4940637), (12249, 1646879), (17693, 1140147), (53079, 380049), (126683, 159237)]