20475900495

素因数分解:

$3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{673}}^1$

素因数の和:1204

約数の個数: 112

約数和(自身を含む): 39144334752

約数和(自身を除く): 18668434257

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 491, 673, 729, 765, 1215, 1377, 1473, 2019, 2295, 2455, 3365, 3645, 4131, 4419, 6057, 6885, 7365, 8347, 10095, 11441, 12393, 13257, 18171, 20655, 22095, 25041, 30285, 34323, 39771, 41735, 54513, 57205, 61965, 66285, 75123, 90855, 102969, 119313, 125205, 163539, 171615, 198855, 225369, 272565, 308907, 330443, 357939, 375615, 490617, 514845, 596565, 676107, 817695, 926721, 991329, 1126845, 1544535, 1652215, 1789695, 2028321, 2453085, 2780163, 2973987, 3380535, 4633605, 4956645, 5617531, 6084963, 8340489, 8921961, 10141605, 13900815, 14869935, 16852593, 26765883, 28087655, 30424815, 41702445, 44609805, 50557779, 80297649, 84262965, 133829415, 151673337, 240892947, 252788895, 401488245, 455020011, 758366685, 1204464735, 1365060033, 2275100055, 4095180099, 6825300165, 20475900495]

約数ペア:

[(1, 20475900495), (3, 6825300165), (5, 4095180099), (9, 2275100055), (15, 1365060033), (17, 1204464735), (27, 758366685), (45, 455020011), (51, 401488245), (81, 252788895), (85, 240892947), (135, 151673337), (153, 133829415), (243, 84262965), (255, 80297649), (405, 50557779), (459, 44609805), (491, 41702445), (673, 30424815), (729, 28087655), (765, 26765883), (1215, 16852593), (1377, 14869935), (1473, 13900815), (2019, 10141605), (2295, 8921961), (2455, 8340489), (3365, 6084963), (3645, 5617531), (4131, 4956645), (4419, 4633605), (6057, 3380535), (6885, 2973987), (7365, 2780163), (8347, 2453085), (10095, 2028321), (11441, 1789695), (12393, 1652215), (13257, 1544535), (18171, 1126845), (20655, 991329), (22095, 926721), (25041, 817695), (30285, 676107), (34323, 596565), (39771, 514845), (41735, 490617), (54513, 375615), (57205, 357939), (61965, 330443), (66285, 308907), (75123, 272565), (90855, 225369), (102969, 198855), (119313, 171615), (125205, 163539)]