20350309

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 26078976

約数和(自身を除く): 5728667

約数列:

[1, 7, 17, 41, 43, 97, 119, 287, 301, 679, 697, 731, 1649, 1763, 3977, 4171, 4879, 5117, 11543, 12341, 27839, 29197, 29971, 67609, 70907, 171011, 209797, 473263, 496349, 1197077, 2907187, 20350309]

約数ペア:

[(1, 20350309), (7, 2907187), (17, 1197077), (41, 496349), (43, 473263), (97, 209797), (119, 171011), (287, 70907), (301, 67609), (679, 29971), (697, 29197), (731, 27839), (1649, 12341), (1763, 11543), (3977, 5117), (4171, 4879)]