20432835976

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{499141}}^1$

素因数の和:499214

約数の個数: 64

約数和(自身を含む): 47438455680

約数和(自身を除く): 27005619704

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 43, 56, 68, 86, 119, 136, 172, 238, 301, 344, 476, 602, 731, 952, 1204, 1462, 2408, 2924, 5117, 5848, 10234, 20468, 40936, 499141, 998282, 1996564, 3493987, 3993128, 6987974, 8485397, 13975948, 16970794, 21463063, 27951896, 33941588, 42926126, 59397779, 67883176, 85852252, 118795558, 150241441, 171704504, 237591116, 300482882, 364872071, 475182232, 600965764, 729744142, 1201931528, 1459488284, 2554104497, 2918976568, 5108208994, 10216417988, 20432835976]

約数ペア:

[(1, 20432835976), (2, 10216417988), (4, 5108208994), (7, 2918976568), (8, 2554104497), (14, 1459488284), (17, 1201931528), (28, 729744142), (34, 600965764), (43, 475182232), (56, 364872071), (68, 300482882), (86, 237591116), (119, 171704504), (136, 150241441), (172, 118795558), (238, 85852252), (301, 67883176), (344, 59397779), (476, 42926126), (602, 33941588), (731, 27951896), (952, 21463063), (1204, 16970794), (1462, 13975948), (2408, 8485397), (2924, 6987974), (5117, 3993128), (5848, 3493987), (10234, 1996564), (20468, 998282), (40936, 499141)]