20271195

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1129}}^1$

素因数の和:1169

約数の個数: 64

約数和(自身を含む): 43392000

約数和(自身を除く): 23120805

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 95, 105, 133, 135, 171, 189, 285, 315, 399, 513, 665, 855, 945, 1129, 1197, 1995, 2565, 3387, 3591, 5645, 5985, 7903, 10161, 16935, 17955, 21451, 23709, 30483, 39515, 50805, 64353, 71127, 107255, 118545, 150157, 152415, 193059, 213381, 321765, 355635, 450471, 579177, 750785, 965295, 1066905, 1351413, 2252355, 2895885, 4054239, 6757065, 20271195]

約数ペア:

[(1, 20271195), (3, 6757065), (5, 4054239), (7, 2895885), (9, 2252355), (15, 1351413), (19, 1066905), (21, 965295), (27, 750785), (35, 579177), (45, 450471), (57, 355635), (63, 321765), (95, 213381), (105, 193059), (133, 152415), (135, 150157), (171, 118545), (189, 107255), (285, 71127), (315, 64353), (399, 50805), (513, 39515), (665, 30483), (855, 23709), (945, 21451), (1129, 17955), (1197, 16935), (1995, 10161), (2565, 7903), (3387, 5985), (3591, 5645)]