20170992919

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1\times {\mathrm{3767}}^1$

素因数の和:4335

約数の個数: 32

約数和(自身を含む): 25354238976

約数和(自身を除く): 5183246057

約数列:

[1, 7, 11, 77, 197, 353, 1379, 2167, 2471, 3767, 3883, 15169, 26369, 27181, 41437, 69541, 290059, 486787, 742099, 764951, 1329751, 5194693, 5354657, 8163089, 9308257, 14627261, 57141623, 102390827, 261960947, 1833726629, 2881570417, 20170992919]

約数ペア:

[(1, 20170992919), (7, 2881570417), (11, 1833726629), (77, 261960947), (197, 102390827), (353, 57141623), (1379, 14627261), (2167, 9308257), (2471, 8163089), (3767, 5354657), (3883, 5194693), (15169, 1329751), (26369, 764951), (27181, 742099), (41437, 486787), (69541, 290059)]