2020115090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{112291}}^1$

素因数の和:112562

約数の個数: 32

約数和(自身を含む): 4171872384

約数和(自身を除く): 2151757294

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1799, 2570, 3598, 8995, 17990, 112291, 224582, 561455, 786037, 1122910, 1572074, 3930185, 7860370, 28858787, 57717574, 144293935, 202011509, 288587870, 404023018, 1010057545, 2020115090]

約数ペア:

[(1, 2020115090), (2, 1010057545), (5, 404023018), (7, 288587870), (10, 202011509), (14, 144293935), (35, 57717574), (70, 28858787), (257, 7860370), (514, 3930185), (1285, 1572074), (1799, 1122910), (2570, 786037), (3598, 561455), (8995, 224582), (17990, 112291)]