20126178976

素因数分解:

$2^5\times {\mathrm{499}}^1\times {\mathrm{719}}^1\times {\mathrm{1753}}^1$

素因数の和:2981

約数の個数: 48

約数和(自身を含む): 39780720000

約数和(自身を除く): 19654541024

約数列:

[1, 2, 4, 8, 16, 32, 499, 719, 998, 1438, 1753, 1996, 2876, 3506, 3992, 5752, 7012, 7984, 11504, 14024, 15968, 23008, 28048, 56096, 358781, 717562, 874747, 1260407, 1435124, 1749494, 2520814, 2870248, 3498988, 5041628, 5740496, 6997976, 10083256, 11480992, 13995952, 20166512, 27991904, 40333024, 628943093, 1257886186, 2515772372, 5031544744, 10063089488, 20126178976]

約数ペア:

[(1, 20126178976), (2, 10063089488), (4, 5031544744), (8, 2515772372), (16, 1257886186), (32, 628943093), (499, 40333024), (719, 27991904), (998, 20166512), (1438, 13995952), (1753, 11480992), (1996, 10083256), (2876, 6997976), (3506, 5740496), (3992, 5041628), (5752, 3498988), (7012, 2870248), (7984, 2520814), (11504, 1749494), (14024, 1435124), (15968, 1260407), (23008, 874747), (28048, 717562), (56096, 358781)]