20774468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36319}}^1$

素因数の和:36347

約数の個数: 24

約数和(自身を含む): 42712320

約数和(自身を除く): 21937852

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36319, 72638, 145276, 399509, 472147, 799018, 944294, 1598036, 1888588, 5193617, 10387234, 20774468]

約数ペア:

[(1, 20774468), (2, 10387234), (4, 5193617), (11, 1888588), (13, 1598036), (22, 944294), (26, 799018), (44, 472147), (52, 399509), (143, 145276), (286, 72638), (572, 36319)]