20078751

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5113}}^1$

素因数の和:5151

約数の個数: 32

約数和(自身を含む): 35347968

約数和(自身を除く): 15269217

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 5113, 15339, 35791, 56243, 86921, 107373, 168729, 260763, 393701, 608447, 956131, 1181103, 1825341, 2868393, 6692917, 20078751]

約数ペア:

[(1, 20078751), (3, 6692917), (7, 2868393), (11, 1825341), (17, 1181103), (21, 956131), (33, 608447), (51, 393701), (77, 260763), (119, 168729), (187, 107373), (231, 86921), (357, 56243), (561, 35791), (1309, 15339), (3927, 5113)]