20717403007

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{11427139}}^1$

素因数の和:11427190

約数の個数: 12

約数和(自身を含む): 24751185240

約数和(自身を除く): 4033782233

約数列:

[1, 7, 37, 49, 259, 1813, 11427139, 79989973, 422804143, 559929811, 2959629001, 20717403007]

約数ペア:

[(1, 20717403007), (7, 2959629001), (37, 559929811), (49, 422804143), (259, 79989973), (1813, 11427139)]