20165483541

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1\times {\mathrm{1427}}^1$

素因数の和:1894

約数の個数: 64

約数和(自身を含む): 32769515520

約数和(自身を除く): 12604031979

約数列:

[1, 3, 7, 19, 21, 57, 107, 133, 321, 331, 399, 749, 993, 1427, 2033, 2247, 2317, 4281, 6099, 6289, 6951, 9989, 14231, 18867, 27113, 29967, 35417, 42693, 44023, 81339, 106251, 132069, 152689, 189791, 247919, 458067, 472337, 569373, 672923, 743757, 1068823, 1417011, 2018769, 2901091, 3206469, 3306359, 4710461, 8703273, 8974403, 9919077, 14131383, 20307637, 26923209, 50540059, 60922911, 62820821, 151620177, 188462463, 353780413, 960261121, 1061341239, 2880783363, 6721827847, 20165483541]

約数ペア:

[(1, 20165483541), (3, 6721827847), (7, 2880783363), (19, 1061341239), (21, 960261121), (57, 353780413), (107, 188462463), (133, 151620177), (321, 62820821), (331, 60922911), (399, 50540059), (749, 26923209), (993, 20307637), (1427, 14131383), (2033, 9919077), (2247, 8974403), (2317, 8703273), (4281, 4710461), (6099, 3306359), (6289, 3206469), (6951, 2901091), (9989, 2018769), (14231, 1417011), (18867, 1068823), (27113, 743757), (29967, 672923), (35417, 569373), (42693, 472337), (44023, 458067), (81339, 247919), (106251, 189791), (132069, 152689)]