20205626

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2053}}^1$

素因数の和:2118

約数の個数: 32

約数和(自身を含む): 37464960

約数和(自身を除く): 17259334

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 133, 259, 266, 518, 703, 1406, 2053, 4106, 4921, 9842, 14371, 28742, 39007, 75961, 78014, 151922, 273049, 531727, 546098, 1063454, 1443259, 2886518, 10102813, 20205626]

約数ペア:

[(1, 20205626), (2, 10102813), (7, 2886518), (14, 1443259), (19, 1063454), (37, 546098), (38, 531727), (74, 273049), (133, 151922), (259, 78014), (266, 75961), (518, 39007), (703, 28742), (1406, 14371), (2053, 9842), (4106, 4921)]