20043639

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 38338560

約数和(自身を除く): 18294921

約数列:

[1, 3, 7, 9, 11, 21, 27, 31, 33, 63, 77, 93, 99, 189, 217, 231, 279, 297, 311, 341, 651, 693, 837, 933, 1023, 1953, 2079, 2177, 2387, 2799, 3069, 3421, 5859, 6531, 7161, 8397, 9207, 9641, 10263, 19593, 21483, 23947, 28923, 30789, 58779, 64449, 67487, 71841, 86769, 92367, 106051, 202461, 215523, 260307, 318153, 607383, 646569, 742357, 954459, 1822149, 2227071, 2863377, 6681213, 20043639]

約数ペア:

[(1, 20043639), (3, 6681213), (7, 2863377), (9, 2227071), (11, 1822149), (21, 954459), (27, 742357), (31, 646569), (33, 607383), (63, 318153), (77, 260307), (93, 215523), (99, 202461), (189, 106051), (217, 92367), (231, 86769), (279, 71841), (297, 67487), (311, 64449), (341, 58779), (651, 30789), (693, 28923), (837, 23947), (933, 21483), (1023, 19593), (1953, 10263), (2079, 9641), (2177, 9207), (2387, 8397), (2799, 7161), (3069, 6531), (3421, 5859)]