20943795

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1$

素因数の和:1779

約数の個数: 32

約数和(自身を含む): 36115200

約数和(自身を除く): 15171405

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 1709, 2451, 4085, 5127, 8545, 12255, 25635, 32471, 73487, 97413, 162355, 220461, 367435, 487065, 1102305, 1396253, 4188759, 6981265, 20943795]

約数ペア:

[(1, 20943795), (3, 6981265), (5, 4188759), (15, 1396253), (19, 1102305), (43, 487065), (57, 367435), (95, 220461), (129, 162355), (215, 97413), (285, 73487), (645, 32471), (817, 25635), (1709, 12255), (2451, 8545), (4085, 5127)]