20280142012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{3389}}^1\times {\mathrm{115079}}^1$

素因数の和:118485

約数の個数: 24

約数和(自身を含む): 38231877600

約数和(自身を除く): 17951735588

約数列:

[1, 2, 4, 13, 26, 52, 3389, 6778, 13556, 44057, 88114, 115079, 176228, 230158, 460316, 1496027, 2992054, 5984108, 390002731, 780005462, 1560010924, 5070035503, 10140071006, 20280142012]

約数ペア:

[(1, 20280142012), (2, 10140071006), (4, 5070035503), (13, 1560010924), (26, 780005462), (52, 390002731), (3389, 5984108), (6778, 2992054), (13556, 1496027), (44057, 460316), (88114, 230158), (115079, 176228)]