20658783

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{509}}^1$

素因数の和:758

約数の個数: 16

約数和(自身を含む): 28103040

約数和(自身を除く): 7444257

約数列:

[1, 3, 83, 163, 249, 489, 509, 1527, 13529, 40587, 42247, 82967, 126741, 248901, 6886261, 20658783]

約数ペア:

[(1, 20658783), (3, 6886261), (83, 248901), (163, 126741), (249, 82967), (489, 42247), (509, 40587), (1527, 13529)]