20767305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{379}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 36005760

約数和(自身を除く): 15238455

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 281, 379, 843, 1137, 1405, 1895, 3653, 4215, 4927, 5685, 10959, 14781, 18265, 24635, 54795, 73905, 106499, 319497, 532495, 1384487, 1597485, 4153461, 6922435, 20767305]

約数ペア:

[(1, 20767305), (3, 6922435), (5, 4153461), (13, 1597485), (15, 1384487), (39, 532495), (65, 319497), (195, 106499), (281, 73905), (379, 54795), (843, 24635), (1137, 18265), (1405, 14781), (1895, 10959), (3653, 5685), (4215, 4927)]