20338758

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{739}}^1$

素因数の和:897

約数の個数: 48

約数和(自身を含む): 48484800

約数和(自身を除く): 28146042

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 139, 198, 278, 417, 739, 834, 1251, 1478, 1529, 2217, 2502, 3058, 4434, 4587, 6651, 8129, 9174, 13302, 13761, 16258, 24387, 27522, 48774, 73161, 102721, 146322, 205442, 308163, 616326, 924489, 1129931, 1848978, 2259862, 3389793, 6779586, 10169379, 20338758]

約数ペア:

[(1, 20338758), (2, 10169379), (3, 6779586), (6, 3389793), (9, 2259862), (11, 1848978), (18, 1129931), (22, 924489), (33, 616326), (66, 308163), (99, 205442), (139, 146322), (198, 102721), (278, 73161), (417, 48774), (739, 27522), (834, 24387), (1251, 16258), (1478, 13761), (1529, 13302), (2217, 9174), (2502, 8129), (3058, 6651), (4434, 4587)]