20159901243

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{15886447}}^1$

素因数の和:15886503

約数の個数: 16

約数和(自身を含む): 30501980160

約数和(自身を除く): 10342078917

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 15886447, 47659341, 142978023, 428934069, 746663009, 2239989027, 6719967081, 20159901243]

約数ペア:

[(1, 20159901243), (3, 6719967081), (9, 2239989027), (27, 746663009), (47, 428934069), (141, 142978023), (423, 47659341), (1269, 15886447)]