20857716

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:302

約数の個数: 96

約数和(自身を含む): 59928960

約数和(自身を除く): 39071244

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 97, 99, 108, 132, 181, 194, 198, 291, 297, 362, 388, 396, 543, 582, 594, 724, 873, 1067, 1086, 1164, 1188, 1629, 1746, 1991, 2134, 2172, 2619, 3201, 3258, 3492, 3982, 4268, 4887, 5238, 5973, 6402, 6516, 7964, 9603, 9774, 10476, 11946, 12804, 17557, 17919, 19206, 19548, 23892, 28809, 35114, 35838, 38412, 52671, 53757, 57618, 70228, 71676, 105342, 107514, 115236, 158013, 193127, 210684, 215028, 316026, 386254, 474039, 579381, 632052, 772508, 948078, 1158762, 1738143, 1896156, 2317524, 3476286, 5214429, 6952572, 10428858, 20857716]

約数ペア:

[(1, 20857716), (2, 10428858), (3, 6952572), (4, 5214429), (6, 3476286), (9, 2317524), (11, 1896156), (12, 1738143), (18, 1158762), (22, 948078), (27, 772508), (33, 632052), (36, 579381), (44, 474039), (54, 386254), (66, 316026), (97, 215028), (99, 210684), (108, 193127), (132, 158013), (181, 115236), (194, 107514), (198, 105342), (291, 71676), (297, 70228), (362, 57618), (388, 53757), (396, 52671), (543, 38412), (582, 35838), (594, 35114), (724, 28809), (873, 23892), (1067, 19548), (1086, 19206), (1164, 17919), (1188, 17557), (1629, 12804), (1746, 11946), (1991, 10476), (2134, 9774), (2172, 9603), (2619, 7964), (3201, 6516), (3258, 6402), (3492, 5973), (3982, 5238), (4268, 4887)]