20565952701

素因数分解:

$3^1\times 7^1\times {\mathrm{15287}}^1\times {\mathrm{64063}}^1$

素因数の和:79360

約数の個数: 16

約数和(自身を含む): 31341133824

約数和(自身を除く): 10775181123

約数列:

[1, 3, 7, 21, 15287, 45861, 64063, 107009, 192189, 321027, 448441, 1345323, 979331081, 2937993243, 6855317567, 20565952701]

約数ペア:

[(1, 20565952701), (3, 6855317567), (7, 2937993243), (21, 979331081), (15287, 1345323), (45861, 448441), (64063, 321027), (107009, 192189)]