20081464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{547}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 40738320

約数和(自身を除く): 20656856

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 353, 547, 706, 1094, 1412, 2188, 2824, 4376, 4589, 7111, 9178, 14222, 18356, 28444, 36712, 56888, 193091, 386182, 772364, 1544728, 2510183, 5020366, 10040732, 20081464]

約数ペア:

[(1, 20081464), (2, 10040732), (4, 5020366), (8, 2510183), (13, 1544728), (26, 772364), (52, 386182), (104, 193091), (353, 56888), (547, 36712), (706, 28444), (1094, 18356), (1412, 14222), (2188, 9178), (2824, 7111), (4376, 4589)]