20414548

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{839}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 45158400

約数和(自身を除く): 24743852

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 79, 154, 158, 308, 316, 553, 839, 869, 1106, 1678, 1738, 2212, 3356, 3476, 5873, 6083, 9229, 11746, 12166, 18458, 23492, 24332, 36916, 64603, 66281, 129206, 132562, 258412, 265124, 463967, 729091, 927934, 1458182, 1855868, 2916364, 5103637, 10207274, 20414548]

約数ペア:

[(1, 20414548), (2, 10207274), (4, 5103637), (7, 2916364), (11, 1855868), (14, 1458182), (22, 927934), (28, 729091), (44, 463967), (77, 265124), (79, 258412), (154, 132562), (158, 129206), (308, 66281), (316, 64603), (553, 36916), (839, 24332), (869, 23492), (1106, 18458), (1678, 12166), (1738, 11746), (2212, 9229), (3356, 6083), (3476, 5873)]