20786070493

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 23885051904

約数和(自身を除く): 3098981411

約数列:

[1, 17, 31, 37, 47, 527, 613, 629, 799, 1147, 1369, 1457, 1739, 10421, 19003, 19499, 22681, 23273, 24769, 28811, 29563, 42439, 53909, 64343, 323051, 385577, 489787, 703111, 721463, 839197, 893141, 916453, 1066007, 1093831, 1994633, 11952887, 14266349, 15183397, 18122119, 26015107, 33046217, 33908761, 39442259, 442256819, 561785689, 670518403, 1222710029, 20786070493]

約数ペア:

[(1, 20786070493), (17, 1222710029), (31, 670518403), (37, 561785689), (47, 442256819), (527, 39442259), (613, 33908761), (629, 33046217), (799, 26015107), (1147, 18122119), (1369, 15183397), (1457, 14266349), (1739, 11952887), (10421, 1994633), (19003, 1093831), (19499, 1066007), (22681, 916453), (23273, 893141), (24769, 839197), (28811, 721463), (29563, 703111), (42439, 489787), (53909, 385577), (64343, 323051)]