20139350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5231}}^1$

素因数の和:5261

約数の個数: 48

約数和(自身を含む): 46711296

約数和(自身を除く): 26571946

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 5231, 10462, 26155, 36617, 52310, 57541, 73234, 115082, 130775, 183085, 261550, 287705, 366170, 402787, 575410, 805574, 915425, 1438525, 1830850, 2013935, 2877050, 4027870, 10069675, 20139350]

約数ペア:

[(1, 20139350), (2, 10069675), (5, 4027870), (7, 2877050), (10, 2013935), (11, 1830850), (14, 1438525), (22, 915425), (25, 805574), (35, 575410), (50, 402787), (55, 366170), (70, 287705), (77, 261550), (110, 183085), (154, 130775), (175, 115082), (275, 73234), (350, 57541), (385, 52310), (550, 36617), (770, 26155), (1925, 10462), (3850, 5231)]