20766424

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^2\times {\mathrm{701}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 46584720

約数和(自身を除く): 25818296

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 529, 644, 701, 1058, 1288, 1402, 2116, 2804, 3703, 4232, 4907, 5608, 7406, 9814, 14812, 16123, 19628, 29624, 32246, 39256, 64492, 112861, 128984, 225722, 370829, 451444, 741658, 902888, 1483316, 2595803, 2966632, 5191606, 10383212, 20766424]

約数ペア:

[(1, 20766424), (2, 10383212), (4, 5191606), (7, 2966632), (8, 2595803), (14, 1483316), (23, 902888), (28, 741658), (46, 451444), (56, 370829), (92, 225722), (161, 128984), (184, 112861), (322, 64492), (529, 39256), (644, 32246), (701, 29624), (1058, 19628), (1288, 16123), (1402, 14812), (2116, 9814), (2804, 7406), (3703, 5608), (4232, 4907)]