20009836

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9281}}^1$

素因数の和:9310

約数の個数: 36

約数和(自身を含む): 44442216

約数和(自身を除く): 24432380

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 9281, 18562, 37124, 64967, 102091, 129934, 204182, 259868, 408364, 454769, 714637, 909538, 1429274, 1819076, 2858548, 5002459, 10004918, 20009836]

約数ペア:

[(1, 20009836), (2, 10004918), (4, 5002459), (7, 2858548), (11, 1819076), (14, 1429274), (22, 909538), (28, 714637), (44, 454769), (49, 408364), (77, 259868), (98, 204182), (154, 129934), (196, 102091), (308, 64967), (539, 37124), (1078, 18562), (2156, 9281)]