20558967

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2819}}^1$

素因数の和:2863

約数の個数: 32

約数和(自身を含む): 34110720

約数和(自身を除く): 13551753

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 2431, 2819, 7293, 8457, 31009, 36647, 47923, 93027, 109941, 143769, 403117, 527153, 622999, 1209351, 1581459, 1868997, 6852989, 20558967]

約数ペア:

[(1, 20558967), (3, 6852989), (11, 1868997), (13, 1581459), (17, 1209351), (33, 622999), (39, 527153), (51, 403117), (143, 143769), (187, 109941), (221, 93027), (429, 47923), (561, 36647), (663, 31009), (2431, 8457), (2819, 7293)]