20939242168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5441591}}^1$

素因数の和:5441647

約数の個数: 32

約数和(自身を含む): 43423904160

約数和(自身を除く): 22484661992

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5441591, 10883182, 21766364, 43532728, 70740683, 141481366, 201338867, 282962732, 402677734, 565925464, 805355468, 1610710936, 2617405271, 5234810542, 10469621084, 20939242168]

約数ペア:

[(1, 20939242168), (2, 10469621084), (4, 5234810542), (8, 2617405271), (13, 1610710936), (26, 805355468), (37, 565925464), (52, 402677734), (74, 282962732), (104, 201338867), (148, 141481366), (296, 70740683), (481, 43532728), (962, 21766364), (1924, 10883182), (3848, 5441591)]