20559177

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{4789}}^1$

素因数の和:4854

約数の個数: 20

約数和(自身を含む): 31297860

約数和(自身を除く): 10738683

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 4789, 14367, 43101, 129303, 253817, 387909, 761451, 2284353, 6853059, 20559177]

約数ペア:

[(1, 20559177), (3, 6853059), (9, 2284353), (27, 761451), (53, 387909), (81, 253817), (159, 129303), (477, 43101), (1431, 14367), (4293, 4789)]