20793836

素因数分解:

$2^2\times 7^2\times {\mathrm{277}}^1\times {\mathrm{383}}^1$

素因数の和:678

約数の個数: 36

約数和(自身を含む): 42594048

約数和(自身を除く): 21800212

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 277, 383, 554, 766, 1108, 1532, 1939, 2681, 3878, 5362, 7756, 10724, 13573, 18767, 27146, 37534, 54292, 75068, 106091, 212182, 424364, 742637, 1485274, 2970548, 5198459, 10396918, 20793836]

約数ペア:

[(1, 20793836), (2, 10396918), (4, 5198459), (7, 2970548), (14, 1485274), (28, 742637), (49, 424364), (98, 212182), (196, 106091), (277, 75068), (383, 54292), (554, 37534), (766, 27146), (1108, 18767), (1532, 13573), (1939, 10724), (2681, 7756), (3878, 5362)]