20555656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2143}}^1$

素因数の和:2269

約数の個数: 32

約数和(自身を含む): 42451200

約数和(自身を除く): 21895544

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 218, 436, 872, 1199, 2143, 2398, 4286, 4796, 8572, 9592, 17144, 23573, 47146, 94292, 188584, 233587, 467174, 934348, 1868696, 2569457, 5138914, 10277828, 20555656]

約数ペア:

[(1, 20555656), (2, 10277828), (4, 5138914), (8, 2569457), (11, 1868696), (22, 934348), (44, 467174), (88, 233587), (109, 188584), (218, 94292), (436, 47146), (872, 23573), (1199, 17144), (2143, 9592), (2398, 8572), (4286, 4796)]