20031729

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 29569536

約数和(自身を除く): 9537807

約数列:

[1, 3, 17, 47, 51, 61, 137, 141, 183, 411, 799, 1037, 2329, 2397, 2867, 3111, 6439, 6987, 8357, 8601, 19317, 25071, 48739, 109463, 142069, 146217, 328389, 392779, 426207, 1178337, 6677243, 20031729]

約数ペア:

[(1, 20031729), (3, 6677243), (17, 1178337), (47, 426207), (51, 392779), (61, 328389), (137, 146217), (141, 142069), (183, 109463), (411, 48739), (799, 25071), (1037, 19317), (2329, 8601), (2397, 8357), (2867, 6987), (3111, 6439)]