20790410861

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{4561}}^1$

素因数の和:5057

約数の個数: 32

約数和(自身を含む): 24280058880

約数和(自身を除く): 3489648019

約数列:

[1, 11, 23, 43, 253, 419, 473, 989, 4561, 4609, 9637, 10879, 18017, 50171, 104903, 106007, 196123, 198187, 414391, 1153933, 1911059, 2157353, 4510829, 4558301, 21021649, 43954357, 49619119, 82175537, 483497927, 903930907, 1890037351, 20790410861]

約数ペア:

[(1, 20790410861), (11, 1890037351), (23, 903930907), (43, 483497927), (253, 82175537), (419, 49619119), (473, 43954357), (989, 21021649), (4561, 4558301), (4609, 4510829), (9637, 2157353), (10879, 1911059), (18017, 1153933), (50171, 414391), (104903, 198187), (106007, 196123)]