20855846

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2437}}^1$

素因数の和:2839

約数の個数: 16

約数和(自身を含む): 34229520

約数和(自身を除く): 13373674

約数列:

[1, 2, 11, 22, 389, 778, 2437, 4279, 4874, 8558, 26807, 53614, 947993, 1895986, 10427923, 20855846]

約数ペア:

[(1, 20855846), (2, 10427923), (11, 1895986), (22, 947993), (389, 53614), (778, 26807), (2437, 8558), (4279, 4874)]