20020691817

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1755739}}^1$

素因数の和:1755933

約数の個数: 24

約数和(自身を含む): 33232646720

約数和(自身を除く): 13211954903

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 3801, 11403, 1755739, 5267217, 12290173, 15801651, 36870519, 110611557, 317788759, 953366277, 2224521313, 2860098831, 6673563939, 20020691817]

約数ペア:

[(1, 20020691817), (3, 6673563939), (7, 2860098831), (9, 2224521313), (21, 953366277), (63, 317788759), (181, 110611557), (543, 36870519), (1267, 15801651), (1629, 12290173), (3801, 5267217), (11403, 1755739)]