20199873321

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{397}}^1\times {\mathrm{71563}}^1$

素因数の和:72045

約数の個数: 24

約数和(自身を含む): 29621770880

約数和(自身を除く): 9421897559

約数列:

[1, 3, 9, 79, 237, 397, 711, 1191, 3573, 31363, 71563, 94089, 214689, 282267, 644067, 5653477, 16960431, 28410511, 50881293, 85231533, 255694599, 2244430369, 6733291107, 20199873321]

約数ペア:

[(1, 20199873321), (3, 6733291107), (9, 2244430369), (79, 255694599), (237, 85231533), (397, 50881293), (711, 28410511), (1191, 16960431), (3573, 5653477), (31363, 644067), (71563, 282267), (94089, 214689)]