20778049203

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{2953}}^1$

素因数の和:3156

約数の個数: 48

約数和(自身を含む): 29982627360

約数和(自身を除く): 9204578157

約数列:

[1, 3, 19, 57, 73, 89, 219, 267, 361, 1083, 1387, 1691, 2953, 4161, 5073, 6497, 8859, 19491, 26353, 32129, 56107, 79059, 96387, 123443, 168321, 215569, 262817, 370329, 646707, 788451, 1066033, 2345417, 3198099, 4095811, 4993523, 7036251, 12287433, 14980569, 19185641, 57556923, 77820409, 94876937, 233461227, 284630811, 364527179, 1093581537, 6926016401, 20778049203]

約数ペア:

[(1, 20778049203), (3, 6926016401), (19, 1093581537), (57, 364527179), (73, 284630811), (89, 233461227), (219, 94876937), (267, 77820409), (361, 57556923), (1083, 19185641), (1387, 14980569), (1691, 12287433), (2953, 7036251), (4161, 4993523), (5073, 4095811), (6497, 3198099), (8859, 2345417), (19491, 1066033), (26353, 788451), (32129, 646707), (56107, 370329), (79059, 262817), (96387, 215569), (123443, 168321)]