20945156986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1008239}}^1$

素因数の和:1008318

約数の個数: 32

約数和(自身を含む): 36587013120

約数和(自身を除く): 15641856134

約数列:

[1, 2, 13, 17, 26, 34, 47, 94, 221, 442, 611, 799, 1222, 1598, 10387, 20774, 1008239, 2016478, 13107107, 17140063, 26214214, 34280126, 47387233, 94774466, 222820819, 445641638, 616034029, 805582961, 1232068058, 1611165922, 10472578493, 20945156986]

約数ペア:

[(1, 20945156986), (2, 10472578493), (13, 1611165922), (17, 1232068058), (26, 805582961), (34, 616034029), (47, 445641638), (94, 222820819), (221, 94774466), (442, 47387233), (611, 34280126), (799, 26214214), (1222, 17140063), (1598, 13107107), (10387, 2016478), (20774, 1008239)]