20521898878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3527}}^1\times {\mathrm{7219}}^1$

素因数の和:10792

約数の個数: 32

約数和(自身を含む): 34234583040

約数和(自身を除く): 13712684162

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 3527, 7054, 7219, 14438, 45851, 91702, 93847, 109337, 187694, 218674, 223789, 447578, 1421381, 2842762, 2909257, 5818514, 25461413, 50922826, 330998369, 661996738, 789303803, 1578607606, 10260949439, 20521898878]

約数ペア:

[(1, 20521898878), (2, 10260949439), (13, 1578607606), (26, 789303803), (31, 661996738), (62, 330998369), (403, 50922826), (806, 25461413), (3527, 5818514), (7054, 2909257), (7219, 2842762), (14438, 1421381), (45851, 447578), (91702, 223789), (93847, 218674), (109337, 187694)]