20127770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1447}}^1$

素因数の和:1574

約数の個数: 32

約数和(自身を含む): 39408768

約数和(自身を除く): 19280998

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 214, 535, 1070, 1391, 1447, 2782, 2894, 6955, 7235, 13910, 14470, 18811, 37622, 94055, 154829, 188110, 309658, 774145, 1548290, 2012777, 4025554, 10063885, 20127770]

約数ペア:

[(1, 20127770), (2, 10063885), (5, 4025554), (10, 2012777), (13, 1548290), (26, 774145), (65, 309658), (107, 188110), (130, 154829), (214, 94055), (535, 37622), (1070, 18811), (1391, 14470), (1447, 13910), (2782, 7235), (2894, 6955)]