20197381105

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{2939}}^1$

素因数の和:3310

約数の個数: 48

約数和(自身を含む): 27458988480

約数和(自身を除く): 7261607375

約数列:

[1, 5, 11, 37, 55, 121, 185, 307, 407, 605, 1535, 2035, 2939, 3377, 4477, 11359, 14695, 16885, 22385, 32329, 37147, 56795, 108743, 124949, 161645, 185735, 355619, 543715, 624745, 902273, 1196173, 1374439, 1778095, 4511365, 5980865, 6872195, 9925003, 13157903, 33384101, 49625015, 65789515, 109175033, 166920505, 367225111, 545875165, 1836125555, 4039476221, 20197381105]

約数ペア:

[(1, 20197381105), (5, 4039476221), (11, 1836125555), (37, 545875165), (55, 367225111), (121, 166920505), (185, 109175033), (307, 65789515), (407, 49625015), (605, 33384101), (1535, 13157903), (2035, 9925003), (2939, 6872195), (3377, 5980865), (4477, 4511365), (11359, 1778095), (14695, 1374439), (16885, 1196173), (22385, 902273), (32329, 624745), (37147, 543715), (56795, 355619), (108743, 185735), (124949, 161645)]