20875401

素因数分解:

$3^5\times {\mathrm{271}}^1\times {\mathrm{317}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 31484544

約数和(自身を除く): 10609143

約数列:

[1, 3, 9, 27, 81, 243, 271, 317, 813, 951, 2439, 2853, 7317, 8559, 21951, 25677, 65853, 77031, 85907, 257721, 773163, 2319489, 6958467, 20875401]

約数ペア:

[(1, 20875401), (3, 6958467), (9, 2319489), (27, 773163), (81, 257721), (243, 85907), (271, 77031), (317, 65853), (813, 25677), (951, 21951), (2439, 8559), (2853, 7317)]