20189340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112163}}^1$

素因数の和:112178

約数の個数: 36

約数和(自身を含む): 61241544

約数和(自身を除く): 41052204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112163, 224326, 336489, 448652, 560815, 672978, 1009467, 1121630, 1345956, 1682445, 2018934, 2243260, 3364890, 4037868, 5047335, 6729780, 10094670, 20189340]

約数ペア:

[(1, 20189340), (2, 10094670), (3, 6729780), (4, 5047335), (5, 4037868), (6, 3364890), (9, 2243260), (10, 2018934), (12, 1682445), (15, 1345956), (18, 1121630), (20, 1009467), (30, 672978), (36, 560815), (45, 448652), (60, 336489), (90, 224326), (180, 112163)]