20682046

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 40410720

約数和(自身を除く): 19728674

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 121, 154, 203, 242, 319, 406, 421, 638, 842, 847, 1694, 2233, 2947, 3509, 4466, 4631, 5894, 7018, 9262, 12209, 24418, 24563, 32417, 49126, 50941, 64834, 85463, 101882, 134299, 170926, 268598, 356587, 713174, 940093, 1477289, 1880186, 2954578, 10341023, 20682046]

約数ペア:

[(1, 20682046), (2, 10341023), (7, 2954578), (11, 1880186), (14, 1477289), (22, 940093), (29, 713174), (58, 356587), (77, 268598), (121, 170926), (154, 134299), (203, 101882), (242, 85463), (319, 64834), (406, 50941), (421, 49126), (638, 32417), (842, 24563), (847, 24418), (1694, 12209), (2233, 9262), (2947, 7018), (3509, 5894), (4466, 4631)]