20350521

素因数分解:

$3^5\times {\mathrm{83}}^1\times {\mathrm{1009}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 30881760

約数和(自身を除く): 10531239

約数列:

[1, 3, 9, 27, 81, 83, 243, 249, 747, 1009, 2241, 3027, 6723, 9081, 20169, 27243, 81729, 83747, 245187, 251241, 753723, 2261169, 6783507, 20350521]

約数ペア:

[(1, 20350521), (3, 6783507), (9, 2261169), (27, 753723), (81, 251241), (83, 245187), (243, 83747), (249, 81729), (747, 27243), (1009, 20169), (2241, 9081), (3027, 6723)]