20172729941

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{126601}}^1$

素因数の和:126741

約数の個数: 32

約数和(自身を含む): 26543881728

約数和(自身を除く): 6371151787

約数列:

[1, 7, 13, 17, 91, 103, 119, 221, 721, 1339, 1547, 1751, 9373, 12257, 22763, 126601, 159341, 886207, 1645813, 2152217, 11520691, 13039903, 15065519, 27978821, 91279321, 169518739, 195851747, 221678351, 1186631173, 1551748457, 2881818563, 20172729941]

約数ペア:

[(1, 20172729941), (7, 2881818563), (13, 1551748457), (17, 1186631173), (91, 221678351), (103, 195851747), (119, 169518739), (221, 91279321), (721, 27978821), (1339, 15065519), (1547, 13039903), (1751, 11520691), (9373, 2152217), (12257, 1645813), (22763, 886207), (126601, 159341)]