20281338952

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2381}}^1\times {\mathrm{4111}}^1$

素因数の和:6542

約数の個数: 64

約数和(自身を含む): 44664215040

約数和(自身を除く): 24382876088

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 2381, 4111, 4762, 8222, 9524, 16444, 16667, 19048, 28777, 32888, 33334, 57554, 66668, 88097, 115108, 133336, 152107, 176194, 230216, 304214, 352388, 608428, 616679, 704776, 1064749, 1216856, 1233358, 2129498, 2466716, 4258996, 4933432, 8517992, 9788291, 19576582, 39153164, 68518037, 78306328, 137036074, 274072148, 362166767, 548144296, 724333534, 1448667068, 2535167369, 2897334136, 5070334738, 10140669476, 20281338952]

約数ペア:

[(1, 20281338952), (2, 10140669476), (4, 5070334738), (7, 2897334136), (8, 2535167369), (14, 1448667068), (28, 724333534), (37, 548144296), (56, 362166767), (74, 274072148), (148, 137036074), (259, 78306328), (296, 68518037), (518, 39153164), (1036, 19576582), (2072, 9788291), (2381, 8517992), (4111, 4933432), (4762, 4258996), (8222, 2466716), (9524, 2129498), (16444, 1233358), (16667, 1216856), (19048, 1064749), (28777, 704776), (32888, 616679), (33334, 608428), (57554, 352388), (66668, 304214), (88097, 230216), (115108, 176194), (133336, 152107)]