20158552525

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{65647}}^1$

素因数の和:65901

約数の個数: 24

約数和(自身を含む): 25495582464

約数和(自身を除く): 5337029939

約数列:

[1, 5, 25, 71, 173, 355, 865, 1775, 4325, 12283, 61415, 65647, 307075, 328235, 1641175, 4660937, 11356931, 23304685, 56784655, 116523425, 283923275, 806342101, 4031710505, 20158552525]

約数ペア:

[(1, 20158552525), (5, 4031710505), (25, 806342101), (71, 283923275), (173, 116523425), (355, 56784655), (865, 23304685), (1775, 11356931), (4325, 4660937), (12283, 1641175), (61415, 328235), (65647, 307075)]