20295807

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 33062400

約数和(自身を除く): 12766593

約数列:

[1, 3, 7, 17, 21, 51, 119, 139, 357, 409, 417, 973, 1227, 2363, 2863, 2919, 6953, 7089, 8589, 16541, 20859, 48671, 49623, 56851, 146013, 170553, 397957, 966467, 1193871, 2899401, 6765269, 20295807]

約数ペア:

[(1, 20295807), (3, 6765269), (7, 2899401), (17, 1193871), (21, 966467), (51, 397957), (119, 170553), (139, 146013), (357, 56851), (409, 49623), (417, 48671), (973, 20859), (1227, 16541), (2363, 8589), (2863, 7089), (2919, 6953)]