19962875

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{5507}}^1$

素因数の和:5551

約数の個数: 16

約数和(自身を含む): 25777440

約数和(自身を除く): 5814565

約数列:

[1, 5, 25, 29, 125, 145, 725, 3625, 5507, 27535, 137675, 159703, 688375, 798515, 3992575, 19962875]

約数ペア:

[(1, 19962875), (5, 3992575), (25, 798515), (29, 688375), (125, 159703), (145, 137675), (725, 27535), (3625, 5507)]