20455358

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3089}}^1$

素因数の和:3152

約数の個数: 32

約数和(自身を含む): 39156480

約数和(自身を除く): 18701122

約数列:

[1, 2, 7, 11, 14, 22, 43, 77, 86, 154, 301, 473, 602, 946, 3089, 3311, 6178, 6622, 21623, 33979, 43246, 67958, 132827, 237853, 265654, 475706, 929789, 1461097, 1859578, 2922194, 10227679, 20455358]

約数ペア:

[(1, 20455358), (2, 10227679), (7, 2922194), (11, 1859578), (14, 1461097), (22, 929789), (43, 475706), (77, 265654), (86, 237853), (154, 132827), (301, 67958), (473, 43246), (602, 33979), (946, 21623), (3089, 6622), (3311, 6178)]