20798765278

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{18899}}^1\times {\mathrm{13421}}^1$

素因数の和:32363

約数の個数: 16

約数和(自身を含む): 31963150800

約数和(自身を除く): 11164385522

約数列:

[1, 2, 41, 82, 13421, 18899, 26842, 37798, 550261, 774859, 1100522, 1549718, 253643479, 507286958, 10399382639, 20798765278]

約数ペア:

[(1, 20798765278), (2, 10399382639), (41, 507286958), (82, 253643479), (13421, 1549718), (18899, 1100522), (26842, 774859), (37798, 550261)]