20054610016

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1260979}}^1$

素因数の和:1261067

約数の個数: 48

約数和(自身を含む): 45758442240

約数和(自身を除く): 25703832224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1988, 2272, 3976, 7952, 15904, 1260979, 2521958, 5043916, 8826853, 10087832, 17653706, 20175664, 35307412, 40351328, 70614824, 89529509, 141229648, 179059018, 282459296, 358118036, 626706563, 716236072, 1253413126, 1432472144, 2506826252, 2864944288, 5013652504, 10027305008, 20054610016]

約数ペア:

[(1, 20054610016), (2, 10027305008), (4, 5013652504), (7, 2864944288), (8, 2506826252), (14, 1432472144), (16, 1253413126), (28, 716236072), (32, 626706563), (56, 358118036), (71, 282459296), (112, 179059018), (142, 141229648), (224, 89529509), (284, 70614824), (497, 40351328), (568, 35307412), (994, 20175664), (1136, 17653706), (1988, 10087832), (2272, 8826853), (3976, 5043916), (7952, 2521958), (15904, 1260979)]