20173019979

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 31510757376

約数和(自身を除く): 11337737397

約数列:

[1, 3, 7, 21, 107, 127, 223, 317, 321, 381, 669, 749, 889, 951, 1561, 2219, 2247, 2667, 4683, 6657, 13589, 23861, 28321, 33919, 40259, 40767, 70691, 71583, 84963, 95123, 101757, 120777, 167027, 198247, 212073, 237433, 281813, 285369, 494837, 501081, 594741, 712299, 845439, 1484511, 3030347, 4307713, 7563937, 8977757, 9091041, 12923139, 21212429, 22691811, 26933271, 30153991, 52947559, 62844299, 63637287, 90461973, 158842677, 188532897, 960619999, 2881859997, 6724339993, 20173019979]

約数ペア:

[(1, 20173019979), (3, 6724339993), (7, 2881859997), (21, 960619999), (107, 188532897), (127, 158842677), (223, 90461973), (317, 63637287), (321, 62844299), (381, 52947559), (669, 30153991), (749, 26933271), (889, 22691811), (951, 21212429), (1561, 12923139), (2219, 9091041), (2247, 8977757), (2667, 7563937), (4683, 4307713), (6657, 3030347), (13589, 1484511), (23861, 845439), (28321, 712299), (33919, 594741), (40259, 501081), (40767, 494837), (70691, 285369), (71583, 281813), (84963, 237433), (95123, 212073), (101757, 198247), (120777, 167027)]