20157259325

素因数分解:

$5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1140439}}^1$

素因数の和:1140557

約数の個数: 24

約数和(自身を含む): 28848570240

約数和(自身を除く): 8691310915

約数列:

[1, 5, 7, 25, 35, 101, 175, 505, 707, 2525, 3535, 17675, 1140439, 5702195, 7983073, 28510975, 39915365, 115184339, 199576825, 575921695, 806290373, 2879608475, 4031451865, 20157259325]

約数ペア:

[(1, 20157259325), (5, 4031451865), (7, 2879608475), (25, 806290373), (35, 575921695), (101, 199576825), (175, 115184339), (505, 39915365), (707, 28510975), (2525, 7983073), (3535, 5702195), (17675, 1140439)]