20159005

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{787}}^1$

素因数の和:948

約数の個数: 16

約数和(自身を含む): 24963840

約数和(自身を除く): 4804835

約数列:

[1, 5, 47, 109, 235, 545, 787, 3935, 5123, 25615, 36989, 85783, 184945, 428915, 4031801, 20159005]

約数ペア:

[(1, 20159005), (5, 4031801), (47, 428915), (109, 184945), (235, 85783), (545, 36989), (787, 25615), (3935, 5123)]