20185599

素因数分解:

$3^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{389}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 31477680

約数和(自身を除く): 11292081

約数列:

[1, 3, 7, 21, 49, 147, 353, 389, 1059, 1167, 2471, 2723, 7413, 8169, 17297, 19061, 51891, 57183, 137317, 411951, 961219, 2883657, 6728533, 20185599]

約数ペア:

[(1, 20185599), (3, 6728533), (7, 2883657), (21, 961219), (49, 411951), (147, 137317), (353, 57183), (389, 51891), (1059, 19061), (1167, 17297), (2471, 8169), (2723, 7413)]