20610535

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 28811520

約数和(自身を除く): 8200985

約数列:

[1, 5, 11, 19, 55, 95, 121, 163, 209, 605, 815, 1045, 1331, 1793, 2299, 3097, 6655, 8965, 11495, 15485, 19723, 25289, 34067, 98615, 126445, 170335, 216953, 374737, 1084765, 1873685, 4122107, 20610535]

約数ペア:

[(1, 20610535), (5, 4122107), (11, 1873685), (19, 1084765), (55, 374737), (95, 216953), (121, 170335), (163, 126445), (209, 98615), (605, 34067), (815, 25289), (1045, 19723), (1331, 15485), (1793, 11495), (2299, 8965), (3097, 6655)]