20345493

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22531}}^1$

素因数の和:22584

約数の個数: 16

約数和(自身を含む): 31725056

約数和(自身を除く): 11379563

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22531, 67593, 157717, 473151, 968833, 2906499, 6781831, 20345493]

約数ペア:

[(1, 20345493), (3, 6781831), (7, 2906499), (21, 968833), (43, 473151), (129, 157717), (301, 67593), (903, 22531)]