20733971335

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{157931}}^1$

素因数の和:157996

約数の個数: 48

約数和(自身を含む): 32263612416

約数和(自身を除く): 11529641081

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 121, 155, 217, 341, 385, 605, 847, 1085, 1705, 2387, 3751, 4235, 11935, 18755, 26257, 131285, 157931, 789655, 1105517, 1737241, 4895861, 5527585, 8686205, 12160687, 19109651, 24479305, 34271027, 53854471, 60803435, 95548255, 133767557, 171355135, 269272355, 376981297, 592399181, 668837785, 1884906485, 2961995905, 4146794267, 20733971335]

約数ペア:

[(1, 20733971335), (5, 4146794267), (7, 2961995905), (11, 1884906485), (31, 668837785), (35, 592399181), (55, 376981297), (77, 269272355), (121, 171355135), (155, 133767557), (217, 95548255), (341, 60803435), (385, 53854471), (605, 34271027), (847, 24479305), (1085, 19109651), (1705, 12160687), (2387, 8686205), (3751, 5527585), (4235, 4895861), (11935, 1737241), (18755, 1105517), (26257, 789655), (131285, 157931)]