20779896813

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{72859}}^1$

素因数の和:73049

約数の個数: 32

約数和(自身を含む): 30552238080

約数和(自身を除く): 9772341267

約数列:

[1, 3, 13, 39, 71, 103, 213, 309, 923, 1339, 2769, 4017, 7313, 21939, 72859, 95069, 218577, 285207, 947167, 2841501, 5172989, 7504477, 15518967, 22513431, 67248857, 97558201, 201746571, 292674603, 532817867, 1598453601, 6926632271, 20779896813]

約数ペア:

[(1, 20779896813), (3, 6926632271), (13, 1598453601), (39, 532817867), (71, 292674603), (103, 201746571), (213, 97558201), (309, 67248857), (923, 22513431), (1339, 15518967), (2769, 7504477), (4017, 5172989), (7313, 2841501), (21939, 947167), (72859, 285207), (95069, 218577)]