20942018

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1061}}^1$

素因数の和:1273

約数の個数: 16

約数和(自身を含む): 32114880

約数和(自身を除く): 11172862

約数列:

[1, 2, 71, 139, 142, 278, 1061, 2122, 9869, 19738, 75331, 147479, 150662, 294958, 10471009, 20942018]

約数ペア:

[(1, 20942018), (2, 10471009), (71, 294958), (139, 150662), (142, 147479), (278, 75331), (1061, 19738), (2122, 9869)]