20201698089

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{31614551}}^1$

素因数の和:31614628

約数の個数: 12

約数和(自身を含む): 29591220672

約数和(自身を除く): 9389522583

約数列:

[1, 3, 9, 71, 213, 639, 31614551, 94843653, 284530959, 2244633121, 6733899363, 20201698089]

約数ペア:

[(1, 20201698089), (3, 6733899363), (9, 2244633121), (71, 284530959), (213, 94843653), (639, 31614551)]