20302040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46141}}^1$

素因数の和:46163

約数の個数: 32

約数和(自身を含む): 49833360

約数和(自身を除く): 29531320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 46141, 92282, 184564, 230705, 369128, 461410, 507551, 922820, 1015102, 1845640, 2030204, 2537755, 4060408, 5075510, 10151020, 20302040]

約数ペア:

[(1, 20302040), (2, 10151020), (4, 5075510), (5, 4060408), (8, 2537755), (10, 2030204), (11, 1845640), (20, 1015102), (22, 922820), (40, 507551), (44, 461410), (55, 369128), (88, 230705), (110, 184564), (220, 92282), (440, 46141)]