20817708

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{367}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 50695680

約数和(自身を除く): 29877972

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 163, 174, 326, 348, 367, 489, 652, 734, 978, 1101, 1468, 1956, 2202, 4404, 4727, 9454, 10643, 14181, 18908, 21286, 28362, 31929, 42572, 56724, 59821, 63858, 119642, 127716, 179463, 239284, 358926, 717852, 1734809, 3469618, 5204427, 6939236, 10408854, 20817708]

約数ペア:

[(1, 20817708), (2, 10408854), (3, 6939236), (4, 5204427), (6, 3469618), (12, 1734809), (29, 717852), (58, 358926), (87, 239284), (116, 179463), (163, 127716), (174, 119642), (326, 63858), (348, 59821), (367, 56724), (489, 42572), (652, 31929), (734, 28362), (978, 21286), (1101, 18908), (1468, 14181), (1956, 10643), (2202, 9454), (4404, 4727)]