20101275

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2179}}^1$

素因数の和:2236

約数の個数: 36

約数和(自身を含む): 36898680

約数和(自身を除く): 16797405

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1845, 2179, 3075, 6537, 9225, 10895, 19611, 32685, 54475, 89339, 98055, 163425, 268017, 446695, 490275, 804051, 1340085, 2233475, 4020255, 6700425, 20101275]

約数ペア:

[(1, 20101275), (3, 6700425), (5, 4020255), (9, 2233475), (15, 1340085), (25, 804051), (41, 490275), (45, 446695), (75, 268017), (123, 163425), (205, 98055), (225, 89339), (369, 54475), (615, 32685), (1025, 19611), (1845, 10895), (2179, 9225), (3075, 6537)]