20130720995

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{607}}^1$

素因数の和:873

約数の個数: 96

約数和(自身を含む): 31300190208

約数和(自身を除く): 11169469213

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 121, 191, 205, 287, 385, 451, 605, 607, 847, 955, 1337, 1435, 2101, 2255, 3035, 3157, 4235, 4249, 4961, 6677, 6685, 7831, 10505, 14707, 15785, 21245, 23111, 24805, 24887, 33385, 34727, 39155, 46739, 54817, 73447, 73535, 86141, 115555, 115937, 124435, 161777, 173635, 174209, 233695, 273757, 274085, 367235, 430705, 514129, 579685, 602987, 808885, 811559, 871045, 947551, 1275307, 1368785, 1916299, 2570645, 3011327, 3014935, 4057795, 4737755, 4753417, 6376535, 6632857, 8927149, 9581495, 14028377, 15056635, 21079289, 23767085, 33164285, 33273919, 44635745, 52287587, 70141885, 98198639, 105396445, 166369595, 261437935, 366013109, 490993195, 575163457, 1830065545, 2875817285, 4026144199, 20130720995]

約数ペア:

[(1, 20130720995), (5, 4026144199), (7, 2875817285), (11, 1830065545), (35, 575163457), (41, 490993195), (55, 366013109), (77, 261437935), (121, 166369595), (191, 105396445), (205, 98198639), (287, 70141885), (385, 52287587), (451, 44635745), (605, 33273919), (607, 33164285), (847, 23767085), (955, 21079289), (1337, 15056635), (1435, 14028377), (2101, 9581495), (2255, 8927149), (3035, 6632857), (3157, 6376535), (4235, 4753417), (4249, 4737755), (4961, 4057795), (6677, 3014935), (6685, 3011327), (7831, 2570645), (10505, 1916299), (14707, 1368785), (15785, 1275307), (21245, 947551), (23111, 871045), (24805, 811559), (24887, 808885), (33385, 602987), (34727, 579685), (39155, 514129), (46739, 430705), (54817, 367235), (73447, 274085), (73535, 273757), (86141, 233695), (115555, 174209), (115937, 173635), (124435, 161777)]