20510664

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 54345600

約数和(自身を除く): 33834936

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 73, 92, 138, 146, 184, 219, 276, 292, 438, 509, 552, 584, 876, 1018, 1527, 1679, 1752, 2036, 3054, 3358, 4072, 5037, 6108, 6716, 10074, 11707, 12216, 13432, 20148, 23414, 35121, 37157, 40296, 46828, 70242, 74314, 93656, 111471, 140484, 148628, 222942, 280968, 297256, 445884, 854611, 891768, 1709222, 2563833, 3418444, 5127666, 6836888, 10255332, 20510664]

約数ペア:

[(1, 20510664), (2, 10255332), (3, 6836888), (4, 5127666), (6, 3418444), (8, 2563833), (12, 1709222), (23, 891768), (24, 854611), (46, 445884), (69, 297256), (73, 280968), (92, 222942), (138, 148628), (146, 140484), (184, 111471), (219, 93656), (276, 74314), (292, 70242), (438, 46828), (509, 40296), (552, 37157), (584, 35121), (876, 23414), (1018, 20148), (1527, 13432), (1679, 12216), (1752, 11707), (2036, 10074), (3054, 6716), (3358, 6108), (4072, 5037)]