20755077

素因数分解:

$3^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{521}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 32372352

約数和(自身を除く): 11617275

約数列:

[1, 3, 7, 21, 49, 147, 271, 521, 813, 1563, 1897, 3647, 5691, 10941, 13279, 25529, 39837, 76587, 141191, 423573, 988337, 2965011, 6918359, 20755077]

約数ペア:

[(1, 20755077), (3, 6918359), (7, 2965011), (21, 988337), (49, 423573), (147, 141191), (271, 76587), (521, 39837), (813, 25529), (1563, 13279), (1897, 10941), (3647, 5691)]