20802184

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1439}}^1$

素因数の和:1597

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 21533816

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 139, 278, 556, 1112, 1439, 1807, 2878, 3614, 5756, 7228, 11512, 14456, 18707, 37414, 74828, 149656, 200021, 400042, 800084, 1600168, 2600273, 5200546, 10401092, 20802184]

約数ペア:

[(1, 20802184), (2, 10401092), (4, 5200546), (8, 2600273), (13, 1600168), (26, 800084), (52, 400042), (104, 200021), (139, 149656), (278, 74828), (556, 37414), (1112, 18707), (1439, 14456), (1807, 11512), (2878, 7228), (3614, 5756)]