20580879

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1787}}^1$

素因数の和:2150

約数の個数: 16

約数和(自身を含む): 30038400

約数和(自身を除く): 9457521

約数列:

[1, 3, 11, 33, 349, 1047, 1787, 3839, 5361, 11517, 19657, 58971, 623663, 1870989, 6860293, 20580879]

約数ペア:

[(1, 20580879), (3, 6860293), (11, 1870989), (33, 623663), (349, 58971), (1047, 19657), (1787, 11517), (3839, 5361)]