20637403774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{162553}}^1$

素因数の和:162844

約数の個数: 32

約数和(自身を含む): 35228702880

約数和(自身を除く): 14591299106

約数列:

[1, 2, 13, 19, 26, 38, 247, 257, 494, 514, 3341, 4883, 6682, 9766, 63479, 126958, 162553, 325106, 2113189, 3088507, 4226378, 6177014, 40150591, 41776121, 80301182, 83552242, 543089573, 793746299, 1086179146, 1587492598, 10318701887, 20637403774]

約数ペア:

[(1, 20637403774), (2, 10318701887), (13, 1587492598), (19, 1086179146), (26, 793746299), (38, 543089573), (247, 83552242), (257, 80301182), (494, 41776121), (514, 40150591), (3341, 6177014), (4883, 4226378), (6682, 3088507), (9766, 2113189), (63479, 325106), (126958, 162553)]