20090165875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{12363179}}^1$

素因数の和:12363207

約数の個数: 16

約数和(自身を含む): 27001185120

約数和(自身を除く): 6911019245

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 12363179, 61815895, 160721327, 309079475, 803606635, 1545397375, 4018033175, 20090165875]

約数ペア:

[(1, 20090165875), (5, 4018033175), (13, 1545397375), (25, 803606635), (65, 309079475), (125, 160721327), (325, 61815895), (1625, 12363179)]