20621204

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{10457}}^1$

素因数の和:10507

約数の個数: 24

約数和(自身を含む): 39531240

約数和(自身を除く): 18910036

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 116, 493, 986, 1972, 10457, 20914, 41828, 177769, 303253, 355538, 606506, 711076, 1213012, 5155301, 10310602, 20621204]

約数ペア:

[(1, 20621204), (2, 10310602), (4, 5155301), (17, 1213012), (29, 711076), (34, 606506), (58, 355538), (68, 303253), (116, 177769), (493, 41828), (986, 20914), (1972, 10457)]