20652807

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 34659072

約数和(自身を除く): 14006265

約数列:

[1, 3, 7, 17, 21, 41, 51, 83, 119, 123, 249, 287, 289, 357, 581, 697, 861, 867, 1411, 1743, 2023, 2091, 3403, 4233, 4879, 6069, 9877, 10209, 11849, 14637, 23821, 23987, 29631, 35547, 57851, 71463, 71961, 82943, 167909, 173553, 248829, 404957, 503727, 983467, 1214871, 2950401, 6884269, 20652807]

約数ペア:

[(1, 20652807), (3, 6884269), (7, 2950401), (17, 1214871), (21, 983467), (41, 503727), (51, 404957), (83, 248829), (119, 173553), (123, 167909), (249, 82943), (287, 71961), (289, 71463), (357, 57851), (581, 35547), (697, 29631), (861, 23987), (867, 23821), (1411, 14637), (1743, 11849), (2023, 10209), (2091, 9877), (3403, 6069), (4233, 4879)]