20663877

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12923}}^1$

素因数の和:12980

約数の個数: 16

約数和(自身を含む): 30397248

約数和(自身を除く): 9733371

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 12923, 38769, 167999, 503997, 529843, 1589529, 6887959, 20663877]

約数ペア:

[(1, 20663877), (3, 6887959), (13, 1589529), (39, 529843), (41, 503997), (123, 167999), (533, 38769), (1599, 12923)]