20343785

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 31041792

約数和(自身を除く): 10698007

約数列:

[1, 5, 7, 11, 35, 53, 55, 77, 265, 371, 385, 583, 997, 1855, 2915, 4081, 4985, 6979, 10967, 20405, 34895, 52841, 54835, 76769, 264205, 369887, 383845, 581251, 1849435, 2906255, 4068757, 20343785]

約数ペア:

[(1, 20343785), (5, 4068757), (7, 2906255), (11, 1849435), (35, 581251), (53, 383845), (55, 369887), (77, 264205), (265, 76769), (371, 54835), (385, 52841), (583, 34895), (997, 20405), (1855, 10967), (2915, 6979), (4081, 4985)]