20654895495

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{279479}}^1$

素因数の和:279879

約数の個数: 32

約数和(自身を含む): 35684006400

約数和(自身を除く): 15029110905

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 379, 1137, 1895, 4927, 5685, 14781, 24635, 73905, 279479, 838437, 1397395, 3633227, 4192185, 10899681, 18166135, 54498405, 105922541, 317767623, 529612705, 1376993033, 1588838115, 4130979099, 6884965165, 20654895495]

約数ペア:

[(1, 20654895495), (3, 6884965165), (5, 4130979099), (13, 1588838115), (15, 1376993033), (39, 529612705), (65, 317767623), (195, 105922541), (379, 54498405), (1137, 18166135), (1895, 10899681), (4927, 4192185), (5685, 3633227), (14781, 1397395), (24635, 838437), (73905, 279479)]