20579868

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 54302976

約数和(自身を除く): 33723108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 73, 82, 123, 146, 164, 191, 219, 246, 292, 369, 382, 438, 492, 573, 657, 738, 764, 876, 1146, 1314, 1476, 1719, 2292, 2628, 2993, 3438, 5986, 6876, 7831, 8979, 11972, 13943, 15662, 17958, 23493, 26937, 27886, 31324, 35916, 41829, 46986, 53874, 55772, 70479, 83658, 93972, 107748, 125487, 140958, 167316, 250974, 281916, 501948, 571663, 1143326, 1714989, 2286652, 3429978, 5144967, 6859956, 10289934, 20579868]

約数ペア:

[(1, 20579868), (2, 10289934), (3, 6859956), (4, 5144967), (6, 3429978), (9, 2286652), (12, 1714989), (18, 1143326), (36, 571663), (41, 501948), (73, 281916), (82, 250974), (123, 167316), (146, 140958), (164, 125487), (191, 107748), (219, 93972), (246, 83658), (292, 70479), (369, 55772), (382, 53874), (438, 46986), (492, 41829), (573, 35916), (657, 31324), (738, 27886), (764, 26937), (876, 23493), (1146, 17958), (1314, 15662), (1476, 13943), (1719, 11972), (2292, 8979), (2628, 7831), (2993, 6876), (3438, 5986)]