20587203

素因数分解:

$3^5\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:68

約数の個数: 96

約数和(自身を含む): 40768000

約数和(自身を除く): 20180797

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 49, 57, 63, 81, 91, 117, 133, 147, 171, 189, 243, 247, 273, 343, 351, 399, 441, 513, 567, 637, 741, 819, 931, 1029, 1053, 1197, 1323, 1539, 1701, 1729, 1911, 2223, 2457, 2793, 3087, 3159, 3591, 3969, 4459, 4617, 5187, 5733, 6517, 6669, 7371, 8379, 9261, 10773, 11907, 12103, 13377, 15561, 17199, 19551, 20007, 22113, 25137, 27783, 32319, 36309, 40131, 46683, 51597, 58653, 60021, 75411, 83349, 84721, 108927, 120393, 140049, 154791, 175959, 226233, 254163, 326781, 361179, 420147, 527877, 762489, 980343, 1083537, 1583631, 2287467, 2941029, 6862401, 20587203]

約数ペア:

[(1, 20587203), (3, 6862401), (7, 2941029), (9, 2287467), (13, 1583631), (19, 1083537), (21, 980343), (27, 762489), (39, 527877), (49, 420147), (57, 361179), (63, 326781), (81, 254163), (91, 226233), (117, 175959), (133, 154791), (147, 140049), (171, 120393), (189, 108927), (243, 84721), (247, 83349), (273, 75411), (343, 60021), (351, 58653), (399, 51597), (441, 46683), (513, 40131), (567, 36309), (637, 32319), (741, 27783), (819, 25137), (931, 22113), (1029, 20007), (1053, 19551), (1197, 17199), (1323, 15561), (1539, 13377), (1701, 12103), (1729, 11907), (1911, 10773), (2223, 9261), (2457, 8379), (2793, 7371), (3087, 6669), (3159, 6517), (3591, 5733), (3969, 5187), (4459, 4617)]