20121304

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18911}}^1$

素因数の和:18943

約数の個数: 32

約数和(自身を含む): 45388800

約数和(自身を除く): 25267496

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 18911, 37822, 75644, 132377, 151288, 264754, 359309, 529508, 718618, 1059016, 1437236, 2515163, 2874472, 5030326, 10060652, 20121304]

約数ペア:

[(1, 20121304), (2, 10060652), (4, 5030326), (7, 2874472), (8, 2515163), (14, 1437236), (19, 1059016), (28, 718618), (38, 529508), (56, 359309), (76, 264754), (133, 151288), (152, 132377), (266, 75644), (532, 37822), (1064, 18911)]