20809863362

素因数分解:

$2^1\times {\mathrm{239}}^1\times {\mathrm{509}}^1\times {\mathrm{85531}}^1$

素因数の和:86281

約数の個数: 16

約数和(自身を含む): 31407350400

約数和(自身を除く): 10597487038

約数列:

[1, 2, 239, 478, 509, 1018, 85531, 121651, 171062, 243302, 20441909, 40883818, 43535279, 87070558, 10404931681, 20809863362]

約数ペア:

[(1, 20809863362), (2, 10404931681), (239, 87070558), (478, 43535279), (509, 40883818), (1018, 20441909), (85531, 243302), (121651, 171062)]