20194088985

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{1308331}}^1$

素因数の和:1308363

約数の個数: 48

約数和(自身を含む): 40819958400

約数和(自身を除く): 20625869415

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 343, 441, 735, 1029, 1715, 2205, 3087, 5145, 15435, 1308331, 3924993, 6541655, 9158317, 11774979, 19624965, 27474951, 45791585, 58874895, 64108219, 82424853, 137374755, 192324657, 320541095, 412124265, 448757533, 576973971, 961623285, 1346272599, 2243787665, 2884869855, 4038817797, 6731362995, 20194088985]

約数ペア:

[(1, 20194088985), (3, 6731362995), (5, 4038817797), (7, 2884869855), (9, 2243787665), (15, 1346272599), (21, 961623285), (35, 576973971), (45, 448757533), (49, 412124265), (63, 320541095), (105, 192324657), (147, 137374755), (245, 82424853), (315, 64108219), (343, 58874895), (441, 45791585), (735, 27474951), (1029, 19624965), (1715, 11774979), (2205, 9158317), (3087, 6541655), (5145, 3924993), (15435, 1308331)]