20115721785

素因数分解:

$3^1\times 5^1\times {\mathrm{243517}}^1\times {\mathrm{5507}}^1$

素因数の和:249032

約数の個数: 16

約数和(自身を含む): 32191131456

約数和(自身を除く): 12075409671

約数列:

[1, 3, 5, 15, 5507, 16521, 27535, 82605, 243517, 730551, 1217585, 3652755, 1341048119, 4023144357, 6705240595, 20115721785]

約数ペア:

[(1, 20115721785), (3, 6705240595), (5, 4023144357), (15, 1341048119), (5507, 3652755), (16521, 1217585), (27535, 730551), (82605, 243517)]