20590129

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 26542080

約数和(自身を除く): 5951951

約数列:

[1, 7, 19, 23, 53, 127, 133, 161, 371, 437, 889, 1007, 1219, 2413, 2921, 3059, 6731, 7049, 8533, 16891, 20447, 23161, 47117, 55499, 127889, 154813, 162127, 388493, 895223, 1083691, 2941447, 20590129]

約数ペア:

[(1, 20590129), (7, 2941447), (19, 1083691), (23, 895223), (53, 388493), (127, 162127), (133, 154813), (161, 127889), (371, 55499), (437, 47117), (889, 23161), (1007, 20447), (1219, 16891), (2413, 8533), (2921, 7049), (3059, 6731)]