20858902262

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{340687}}^1$

素因数の和:340745

約数の個数: 32

約数和(自身を含む): 35911240704

約数和(自身を除く): 15052338442

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 506, 1331, 2662, 2783, 5566, 30613, 61226, 340687, 681374, 3747557, 7495114, 7835801, 15671602, 41223127, 82446254, 86193811, 172387622, 453454397, 906908794, 948131921, 1896263842, 10429451131, 20858902262]

約数ペア:

[(1, 20858902262), (2, 10429451131), (11, 1896263842), (22, 948131921), (23, 906908794), (46, 453454397), (121, 172387622), (242, 86193811), (253, 82446254), (506, 41223127), (1331, 15671602), (2662, 7835801), (2783, 7495114), (5566, 3747557), (30613, 681374), (61226, 340687)]