20558949215

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1\times {\mathrm{14489}}^1$

素因数の和:15143

約数の個数: 32

約数和(自身を含む): 28644295680

約数和(自身を除く): 8085346465

約数列:

[1, 5, 7, 35, 71, 355, 497, 571, 2485, 2855, 3997, 14489, 19985, 40541, 72445, 101423, 202705, 283787, 507115, 1028719, 1418935, 5143595, 7201033, 8273219, 36005165, 41366095, 57912533, 289562665, 587398549, 2936992745, 4111789843, 20558949215]

約数ペア:

[(1, 20558949215), (5, 4111789843), (7, 2936992745), (35, 587398549), (71, 289562665), (355, 57912533), (497, 41366095), (571, 36005165), (2485, 8273219), (2855, 7201033), (3997, 5143595), (14489, 1418935), (19985, 1028719), (40541, 507115), (72445, 283787), (101423, 202705)]