20799405

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42019}}^1$

素因数の和:42041

約数の個数: 24

約数和(自身を含む): 39330720

約数和(自身を除く): 18531315

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 42019, 126057, 210095, 378171, 462209, 630285, 1386627, 1890855, 2311045, 4159881, 6933135, 20799405]

約数ペア:

[(1, 20799405), (3, 6933135), (5, 4159881), (9, 2311045), (11, 1890855), (15, 1386627), (33, 630285), (45, 462209), (55, 378171), (99, 210095), (165, 126057), (495, 42019)]