20855757

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{13043}}^1$

素因数の和:13100

約数の個数: 16

約数和(自身を含む): 30679488

約数和(自身を除く): 9823731

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 13043, 39129, 169559, 508677, 534763, 1604289, 6951919, 20855757]

約数ペア:

[(1, 20855757), (3, 6951919), (13, 1604289), (39, 534763), (41, 508677), (123, 169559), (533, 39129), (1599, 13043)]