20589060448

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{306239}}^1$

素因数の和:306451

約数の個数: 48

約数和(自身を含む): 44451348480

約数和(自身を除く): 23862288032

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 191, 352, 382, 764, 1528, 2101, 3056, 4202, 6112, 8404, 16808, 33616, 67232, 306239, 612478, 1224956, 2449912, 3368629, 4899824, 6737258, 9799648, 13474516, 26949032, 53898064, 58491649, 107796128, 116983298, 233966596, 467933192, 643408139, 935866384, 1286816278, 1871732768, 2573632556, 5147265112, 10294530224, 20589060448]

約数ペア:

[(1, 20589060448), (2, 10294530224), (4, 5147265112), (8, 2573632556), (11, 1871732768), (16, 1286816278), (22, 935866384), (32, 643408139), (44, 467933192), (88, 233966596), (176, 116983298), (191, 107796128), (352, 58491649), (382, 53898064), (764, 26949032), (1528, 13474516), (2101, 9799648), (3056, 6737258), (4202, 4899824), (6112, 3368629), (8404, 2449912), (16808, 1224956), (33616, 612478), (67232, 306239)]