20578893

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{4463}}^1$

素因数の和:4548

約数の個数: 16

約数和(自身を含む): 28926720

約数和(自身を除く): 8347827

約数列:

[1, 3, 29, 53, 87, 159, 1537, 4463, 4611, 13389, 129427, 236539, 388281, 709617, 6859631, 20578893]

約数ペア:

[(1, 20578893), (3, 6859631), (29, 709617), (53, 388281), (87, 236539), (159, 129427), (1537, 13389), (4463, 4611)]