20549919

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1153}}^1$

素因数の和:1626

約数の個数: 16

約数和(自身を含む): 29597792

約数和(自身を除く): 9047873

約数列:

[1, 3, 13, 39, 457, 1153, 1371, 3459, 5941, 14989, 17823, 44967, 526921, 1580763, 6849973, 20549919]

約数ペア:

[(1, 20549919), (3, 6849973), (13, 1580763), (39, 526921), (457, 44967), (1153, 17823), (1371, 14989), (3459, 5941)]