20184243545

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{1949}}^1$

素因数の和:2345

約数の個数: 32

約数和(自身を含む): 24821596800

約数和(自身を除く): 4637353255

約数列:

[1, 5, 97, 131, 163, 485, 655, 815, 1949, 9745, 12707, 15811, 21353, 63535, 79055, 106765, 189053, 255319, 317687, 945265, 1276595, 1588435, 2071241, 10356205, 24765943, 30815639, 41616997, 123829715, 154078195, 208084985, 4036848709, 20184243545]

約数ペア:

[(1, 20184243545), (5, 4036848709), (97, 208084985), (131, 154078195), (163, 123829715), (485, 41616997), (655, 30815639), (815, 24765943), (1949, 10356205), (9745, 2071241), (12707, 1588435), (15811, 1276595), (21353, 945265), (63535, 317687), (79055, 255319), (106765, 189053)]