20512594655

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{42197}}^1$

素因数の和:42288

約数の個数: 64

約数和(自身を含む): 32083983360

約数和(自身を除く): 11571388705

約数列:

[1, 5, 7, 17, 19, 35, 43, 85, 95, 119, 133, 215, 301, 323, 595, 665, 731, 817, 1505, 1615, 2261, 3655, 4085, 5117, 5719, 11305, 13889, 25585, 28595, 42197, 69445, 97223, 210985, 295379, 486115, 717349, 801743, 1476895, 1814471, 3586745, 4008715, 5021443, 5612201, 9072355, 12701297, 13629631, 25107215, 28061005, 30846007, 34474949, 63506485, 68148155, 95407417, 154230035, 172374745, 215922049, 241324643, 477037085, 586074133, 1079610245, 1206623215, 2930370665, 4102518931, 20512594655]

約数ペア:

[(1, 20512594655), (5, 4102518931), (7, 2930370665), (17, 1206623215), (19, 1079610245), (35, 586074133), (43, 477037085), (85, 241324643), (95, 215922049), (119, 172374745), (133, 154230035), (215, 95407417), (301, 68148155), (323, 63506485), (595, 34474949), (665, 30846007), (731, 28061005), (817, 25107215), (1505, 13629631), (1615, 12701297), (2261, 9072355), (3655, 5612201), (4085, 5021443), (5117, 4008715), (5719, 3586745), (11305, 1814471), (13889, 1476895), (25585, 801743), (28595, 717349), (42197, 486115), (69445, 295379), (97223, 210985)]