20742533

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 26277912

約数和(自身を除く): 5535379

約数列:

[1, 7, 17, 37, 49, 119, 259, 629, 673, 833, 1813, 4403, 4711, 11441, 24901, 30821, 32977, 80087, 174307, 423317, 560609, 1220149, 2963219, 20742533]

約数ペア:

[(1, 20742533), (7, 2963219), (17, 1220149), (37, 560609), (49, 423317), (119, 174307), (259, 80087), (629, 32977), (673, 30821), (833, 24901), (1813, 11441), (4403, 4711)]