20815644

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1423}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 51674112

約数和(自身を除く): 30858468

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 53, 69, 92, 106, 138, 159, 212, 276, 318, 636, 1219, 1423, 2438, 2846, 3657, 4269, 4876, 5692, 7314, 8538, 14628, 17076, 32729, 65458, 75419, 98187, 130916, 150838, 196374, 226257, 301676, 392748, 452514, 905028, 1734637, 3469274, 5203911, 6938548, 10407822, 20815644]

約数ペア:

[(1, 20815644), (2, 10407822), (3, 6938548), (4, 5203911), (6, 3469274), (12, 1734637), (23, 905028), (46, 452514), (53, 392748), (69, 301676), (92, 226257), (106, 196374), (138, 150838), (159, 130916), (212, 98187), (276, 75419), (318, 65458), (636, 32729), (1219, 17076), (1423, 14628), (2438, 8538), (2846, 7314), (3657, 5692), (4269, 4876)]