20074120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1061}}^1$

素因数の和:1126

約数の個数: 64

約数和(自身を含む): 50466240

約数和(自身を除く): 30392120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1061, 1720, 1892, 2122, 2365, 3784, 4244, 4730, 5305, 8488, 9460, 10610, 11671, 18920, 21220, 23342, 42440, 45623, 46684, 58355, 91246, 93368, 116710, 182492, 228115, 233420, 364984, 456230, 466840, 501853, 912460, 1003706, 1824920, 2007412, 2509265, 4014824, 5018530, 10037060, 20074120]

約数ペア:

[(1, 20074120), (2, 10037060), (4, 5018530), (5, 4014824), (8, 2509265), (10, 2007412), (11, 1824920), (20, 1003706), (22, 912460), (40, 501853), (43, 466840), (44, 456230), (55, 364984), (86, 233420), (88, 228115), (110, 182492), (172, 116710), (215, 93368), (220, 91246), (344, 58355), (430, 46684), (440, 45623), (473, 42440), (860, 23342), (946, 21220), (1061, 18920), (1720, 11671), (1892, 10610), (2122, 9460), (2365, 8488), (3784, 5305), (4244, 4730)]