20798349

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{48481}}^1$

素因数の和:48508

約数の個数: 16

約数和(自身を含む): 32579904

約数和(自身を除く): 11781555

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 48481, 145443, 533291, 630253, 1599873, 1890759, 6932783, 20798349]

約数ペア:

[(1, 20798349), (3, 6932783), (11, 1890759), (13, 1599873), (33, 630253), (39, 533291), (143, 145443), (429, 48481)]