20216664867

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53731}}^1$

素因数の和:53824

約数の個数: 64

約数和(自身を含む): 34663587840

約数和(自身を除く): 14446922973

約数列:

[1, 3, 7, 19, 21, 23, 41, 57, 69, 123, 133, 161, 287, 399, 437, 483, 779, 861, 943, 1311, 2337, 2829, 3059, 5453, 6601, 9177, 16359, 17917, 19803, 53731, 53751, 125419, 161193, 376117, 376257, 1020889, 1128351, 1235813, 2202971, 3062667, 3707439, 6608913, 7146223, 8650691, 15420797, 21438669, 23480447, 25952073, 41856449, 46262391, 50668333, 70441341, 125569347, 152004999, 164363129, 292995143, 354678331, 493089387, 878985429, 962698327, 1064034993, 2888094981, 6738888289, 20216664867]

約数ペア:

[(1, 20216664867), (3, 6738888289), (7, 2888094981), (19, 1064034993), (21, 962698327), (23, 878985429), (41, 493089387), (57, 354678331), (69, 292995143), (123, 164363129), (133, 152004999), (161, 125569347), (287, 70441341), (399, 50668333), (437, 46262391), (483, 41856449), (779, 25952073), (861, 23480447), (943, 21438669), (1311, 15420797), (2337, 8650691), (2829, 7146223), (3059, 6608913), (5453, 3707439), (6601, 3062667), (9177, 2202971), (16359, 1235813), (17917, 1128351), (19803, 1020889), (53731, 376257), (53751, 376117), (125419, 161193)]