20391034293

素因数分解:

$3^2\times 7^2\times {\mathrm{1733}}^1\times {\mathrm{26681}}^1$

素因数の和:28434

約数の個数: 36

約数和(自身を含む): 34283541708

約数和(自身を除く): 13892507415

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1733, 5199, 12131, 15597, 26681, 36393, 80043, 84917, 109179, 186767, 240129, 254751, 560301, 764253, 1307369, 1680903, 3922107, 11766321, 46238173, 138714519, 323667211, 416143557, 971001633, 2265670477, 2913004899, 6797011431, 20391034293]

約数ペア:

[(1, 20391034293), (3, 6797011431), (7, 2913004899), (9, 2265670477), (21, 971001633), (49, 416143557), (63, 323667211), (147, 138714519), (441, 46238173), (1733, 11766321), (5199, 3922107), (12131, 1680903), (15597, 1307369), (26681, 764253), (36393, 560301), (80043, 254751), (84917, 240129), (109179, 186767)]