20502748

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2267}}^1$

素因数の和:2314

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 25220132

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 476, 532, 646, 1292, 2261, 2267, 4522, 4534, 9044, 9068, 15869, 31738, 38539, 43073, 63476, 77078, 86146, 154156, 172292, 269773, 301511, 539546, 603022, 732241, 1079092, 1206044, 1464482, 2928964, 5125687, 10251374, 20502748]

約数ペア:

[(1, 20502748), (2, 10251374), (4, 5125687), (7, 2928964), (14, 1464482), (17, 1206044), (19, 1079092), (28, 732241), (34, 603022), (38, 539546), (68, 301511), (76, 269773), (119, 172292), (133, 154156), (238, 86146), (266, 77078), (323, 63476), (476, 43073), (532, 38539), (646, 31738), (1292, 15869), (2261, 9068), (2267, 9044), (4522, 4534)]