20178983

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^2$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 24513840

約数和(自身を除く): 4334857

約数列:

[1, 11, 17, 29, 61, 187, 319, 493, 671, 1037, 1769, 3721, 5423, 11407, 19459, 30073, 40931, 63257, 107909, 330803, 695827, 1186999, 1834453, 20178983]

約数ペア:

[(1, 20178983), (11, 1834453), (17, 1186999), (29, 695827), (61, 330803), (187, 107909), (319, 63257), (493, 40931), (671, 30073), (1037, 19459), (1769, 11407), (3721, 5423)]