20107785

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{11863}}^1$

素因数の和:11984

約数の個数: 16

約数和(自身を含む): 32459904

約数和(自身を除く): 12352119

約数列:

[1, 3, 5, 15, 113, 339, 565, 1695, 11863, 35589, 59315, 177945, 1340519, 4021557, 6702595, 20107785]

約数ペア:

[(1, 20107785), (3, 6702595), (5, 4021557), (15, 1340519), (113, 177945), (339, 59315), (565, 35589), (1695, 11863)]