20428930179

素因数分解:

$3^2\times 7^1\times {\mathrm{953}}^1\times {\mathrm{340261}}^1$

素因数の和:341227

約数の個数: 24

約数和(自身を含む): 33759434592

約数和(自身を除く): 13330504413

約数列:

[1, 3, 7, 9, 21, 63, 953, 2859, 6671, 8577, 20013, 60039, 340261, 1020783, 2381827, 3062349, 7145481, 21436443, 324268733, 972806199, 2269881131, 2918418597, 6809643393, 20428930179]

約数ペア:

[(1, 20428930179), (3, 6809643393), (7, 2918418597), (9, 2269881131), (21, 972806199), (63, 324268733), (953, 21436443), (2859, 7145481), (6671, 3062349), (8577, 2381827), (20013, 1020783), (60039, 340261)]