20194363640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1\times {\mathrm{1213}}^1$

素因数の和:1633

約数の個数: 128

約数和(自身を含む): 50131984320

約数和(自身を除く): 29937620680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 241, 314, 440, 482, 628, 785, 964, 1205, 1213, 1256, 1570, 1727, 1928, 2410, 2426, 2651, 3140, 3454, 4820, 4852, 5302, 6065, 6280, 6908, 8635, 9640, 9704, 10604, 12130, 13255, 13343, 13816, 17270, 21208, 24260, 26510, 26686, 34540, 37837, 48520, 53020, 53372, 66715, 69080, 75674, 106040, 106744, 133430, 151348, 189185, 190441, 266860, 292333, 302696, 378370, 380882, 416207, 533720, 584666, 756740, 761764, 832414, 952205, 1169332, 1461665, 1513480, 1523528, 1664828, 1904410, 2081035, 2094851, 2338664, 2923330, 3215663, 3329656, 3808820, 4162070, 4189702, 5846660, 6431326, 7617640, 8324140, 8379404, 10474255, 11693320, 12862652, 16078315, 16648280, 16758808, 20948510, 25725304, 32156630, 41897020, 45896281, 64313260, 83794040, 91792562, 128626520, 183585124, 229481405, 367170248, 458962810, 504859091, 917925620, 1009718182, 1835851240, 2019436364, 2524295455, 4038872728, 5048590910, 10097181820, 20194363640]

約数ペア:

[(1, 20194363640), (2, 10097181820), (4, 5048590910), (5, 4038872728), (8, 2524295455), (10, 2019436364), (11, 1835851240), (20, 1009718182), (22, 917925620), (40, 504859091), (44, 458962810), (55, 367170248), (88, 229481405), (110, 183585124), (157, 128626520), (220, 91792562), (241, 83794040), (314, 64313260), (440, 45896281), (482, 41897020), (628, 32156630), (785, 25725304), (964, 20948510), (1205, 16758808), (1213, 16648280), (1256, 16078315), (1570, 12862652), (1727, 11693320), (1928, 10474255), (2410, 8379404), (2426, 8324140), (2651, 7617640), (3140, 6431326), (3454, 5846660), (4820, 4189702), (4852, 4162070), (5302, 3808820), (6065, 3329656), (6280, 3215663), (6908, 2923330), (8635, 2338664), (9640, 2094851), (9704, 2081035), (10604, 1904410), (12130, 1664828), (13255, 1523528), (13343, 1513480), (13816, 1461665), (17270, 1169332), (21208, 952205), (24260, 832414), (26510, 761764), (26686, 756740), (34540, 584666), (37837, 533720), (48520, 416207), (53020, 380882), (53372, 378370), (66715, 302696), (69080, 292333), (75674, 266860), (106040, 190441), (106744, 189185), (133430, 151348)]