20519694

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87691}}^1$

素因数の和:87712

約数の個数: 24

約数和(自身を含む): 47879832

約数和(自身を除く): 27360138

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 87691, 175382, 263073, 526146, 789219, 1139983, 1578438, 2279966, 3419949, 6839898, 10259847, 20519694]

約数ペア:

[(1, 20519694), (2, 10259847), (3, 6839898), (6, 3419949), (9, 2279966), (13, 1578438), (18, 1139983), (26, 789219), (39, 526146), (78, 263073), (117, 175382), (234, 87691)]