20131119195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{977}}^1\times {\mathrm{2657}}^1$

素因数の和:3700

約数の個数: 64

約数和(自身を含む): 35935819776

約数和(自身を除く): 15804700581

約数列:

[1, 3, 5, 11, 15, 33, 47, 55, 141, 165, 235, 517, 705, 977, 1551, 2585, 2657, 2931, 4885, 7755, 7971, 10747, 13285, 14655, 29227, 32241, 39855, 45919, 53735, 87681, 124879, 137757, 146135, 161205, 229595, 374637, 438405, 505109, 624395, 688785, 1373669, 1515327, 1873185, 2525545, 2595889, 4121007, 6868345, 7576635, 7787667, 12979445, 20605035, 28554779, 38938335, 85664337, 122006783, 142773895, 366020349, 428321685, 610033915, 1342074613, 1830101745, 4026223839, 6710373065, 20131119195]

約数ペア:

[(1, 20131119195), (3, 6710373065), (5, 4026223839), (11, 1830101745), (15, 1342074613), (33, 610033915), (47, 428321685), (55, 366020349), (141, 142773895), (165, 122006783), (235, 85664337), (517, 38938335), (705, 28554779), (977, 20605035), (1551, 12979445), (2585, 7787667), (2657, 7576635), (2931, 6868345), (4885, 4121007), (7755, 2595889), (7971, 2525545), (10747, 1873185), (13285, 1515327), (14655, 1373669), (29227, 688785), (32241, 624395), (39855, 505109), (45919, 438405), (53735, 374637), (87681, 229595), (124879, 161205), (137757, 146135)]