20749526

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{977}}^1$

素因数の和:1064

約数の個数: 32

約数和(自身を含む): 37461312

約数和(自身を除く): 16711786

約数列:

[1, 2, 7, 14, 37, 41, 74, 82, 259, 287, 518, 574, 977, 1517, 1954, 3034, 6839, 10619, 13678, 21238, 36149, 40057, 72298, 80114, 253043, 280399, 506086, 560798, 1482109, 2964218, 10374763, 20749526]

約数ペア:

[(1, 20749526), (2, 10374763), (7, 2964218), (14, 1482109), (37, 560798), (41, 506086), (74, 280399), (82, 253043), (259, 80114), (287, 72298), (518, 40057), (574, 36149), (977, 21238), (1517, 13678), (1954, 10619), (3034, 6839)]