20806591684

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{719}}^1\times {\mathrm{52807}}^1$

素因数の和:53667

約数の個数: 24

約数和(自身を含む): 36729020160

約数和(自身を除く): 15922428476

約数列:

[1, 2, 4, 137, 274, 548, 719, 1438, 2876, 52807, 98503, 105614, 197006, 211228, 394012, 7234559, 14469118, 28938236, 37968233, 75936466, 151872932, 5201647921, 10403295842, 20806591684]

約数ペア:

[(1, 20806591684), (2, 10403295842), (4, 5201647921), (137, 151872932), (274, 75936466), (548, 37968233), (719, 28938236), (1438, 14469118), (2876, 7234559), (52807, 394012), (98503, 211228), (105614, 197006)]