20798900642

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{1579}}^1\times {\mathrm{38971}}^1$

素因数の和:40578

約数の個数: 24

約数和(自身を含む): 33805092240

約数和(自身を除く): 13006191598

約数列:

[1, 2, 13, 26, 169, 338, 1579, 3158, 20527, 38971, 41054, 77942, 266851, 506623, 533702, 1013246, 6586099, 13172198, 61535209, 123070418, 799957717, 1599915434, 10399450321, 20798900642]

約数ペア:

[(1, 20798900642), (2, 10399450321), (13, 1599915434), (26, 799957717), (169, 123070418), (338, 61535209), (1579, 13172198), (3158, 6586099), (20527, 1013246), (38971, 533702), (41054, 506623), (77942, 266851)]