20375368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1831}}^1$

素因数の和:1957

約数の個数: 32

約数和(自身を含む): 41549760

約数和(自身を除く): 21174392

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 214, 428, 856, 1391, 1831, 2782, 3662, 5564, 7324, 11128, 14648, 23803, 47606, 95212, 190424, 195917, 391834, 783668, 1567336, 2546921, 5093842, 10187684, 20375368]

約数ペア:

[(1, 20375368), (2, 10187684), (4, 5093842), (8, 2546921), (13, 1567336), (26, 783668), (52, 391834), (104, 195917), (107, 190424), (214, 95212), (428, 47606), (856, 23803), (1391, 14648), (1831, 11128), (2782, 7324), (3662, 5564)]