20306275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1801}}^1$

素因数の和:1863

約数の個数: 24

約数和(自身を含む): 28154448

約数和(自身を除く): 7848173

約数列:

[1, 5, 11, 25, 41, 55, 205, 275, 451, 1025, 1801, 2255, 9005, 11275, 19811, 45025, 73841, 99055, 369205, 495275, 812251, 1846025, 4061255, 20306275]

約数ペア:

[(1, 20306275), (5, 4061255), (11, 1846025), (25, 812251), (41, 495275), (55, 369205), (205, 99055), (275, 73841), (451, 45025), (1025, 19811), (1801, 11275), (2255, 9005)]