20165648727

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2972969}}^1$

素因数の和:2973015

約数の個数: 32

約数和(自身を含む): 34248614400

約数和(自身を除く): 14082965673

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 2972969, 8918907, 20810783, 50540473, 56486411, 62432349, 151621419, 169459233, 353783311, 395404877, 960268987, 1061349933, 1186214631, 2880806961, 6721882909, 20165648727]

約数ペア:

[(1, 20165648727), (3, 6721882909), (7, 2880806961), (17, 1186214631), (19, 1061349933), (21, 960268987), (51, 395404877), (57, 353783311), (119, 169459233), (133, 151621419), (323, 62432349), (357, 56486411), (399, 50540473), (969, 20810783), (2261, 8918907), (6783, 2972969)]