20658018

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^2\times {\mathrm{683}}^1$

素因数の和:830

約数の個数: 24

約数和(自身を含む): 41967504

約数和(自身を除く): 21309486

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 683, 1366, 2049, 4098, 5041, 10082, 15123, 30246, 48493, 96986, 145479, 290958, 3443003, 6886006, 10329009, 20658018]

約数ペア:

[(1, 20658018), (2, 10329009), (3, 6886006), (6, 3443003), (71, 290958), (142, 145479), (213, 96986), (426, 48493), (683, 30246), (1366, 15123), (2049, 10082), (4098, 5041)]