20519016

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3301}}^1$

素因数の和:3354

約数の個数: 64

約数和(自身を含む): 60228480

約数和(自身を除く): 39709464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 222, 259, 296, 444, 518, 777, 888, 1036, 1554, 2072, 3108, 3301, 6216, 6602, 9903, 13204, 19806, 23107, 26408, 39612, 46214, 69321, 79224, 92428, 122137, 138642, 184856, 244274, 277284, 366411, 488548, 554568, 732822, 854959, 977096, 1465644, 1709918, 2564877, 2931288, 3419836, 5129754, 6839672, 10259508, 20519016]

約数ペア:

[(1, 20519016), (2, 10259508), (3, 6839672), (4, 5129754), (6, 3419836), (7, 2931288), (8, 2564877), (12, 1709918), (14, 1465644), (21, 977096), (24, 854959), (28, 732822), (37, 554568), (42, 488548), (56, 366411), (74, 277284), (84, 244274), (111, 184856), (148, 138642), (168, 122137), (222, 92428), (259, 79224), (296, 69321), (444, 46214), (518, 39612), (777, 26408), (888, 23107), (1036, 19806), (1554, 13204), (2072, 9903), (3108, 6602), (3301, 6216)]