20947164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8599}}^1$

素因数の和:8642

約数の個数: 48

約数和(自身を含む): 57792000

約数和(自身を除く): 36844836

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 8599, 17198, 25797, 34396, 51594, 60193, 103188, 120386, 180579, 240772, 249371, 361158, 498742, 722316, 748113, 997484, 1496226, 1745597, 2992452, 3491194, 5236791, 6982388, 10473582, 20947164]

約数ペア:

[(1, 20947164), (2, 10473582), (3, 6982388), (4, 5236791), (6, 3491194), (7, 2992452), (12, 1745597), (14, 1496226), (21, 997484), (28, 748113), (29, 722316), (42, 498742), (58, 361158), (84, 249371), (87, 240772), (116, 180579), (174, 120386), (203, 103188), (348, 60193), (406, 51594), (609, 34396), (812, 25797), (1218, 17198), (2436, 8599)]