20398049182

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{63439}}^1$

素因数の和:63665

約数の個数: 48

約数和(自身を含む): 37882054080

約数和(自身を除く): 17484004898

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 193, 238, 386, 833, 1351, 1666, 2702, 3281, 6562, 9457, 18914, 22967, 45934, 63439, 126878, 160769, 321538, 444073, 888146, 1078463, 2156926, 3108511, 6217022, 7549241, 12243727, 15098482, 24487454, 52844687, 85706089, 105689374, 171412178, 208143359, 416286718, 599942623, 1199885246, 1457003513, 2914007026, 10199024591, 20398049182]

約数ペア:

[(1, 20398049182), (2, 10199024591), (7, 2914007026), (14, 1457003513), (17, 1199885246), (34, 599942623), (49, 416286718), (98, 208143359), (119, 171412178), (193, 105689374), (238, 85706089), (386, 52844687), (833, 24487454), (1351, 15098482), (1666, 12243727), (2702, 7549241), (3281, 6217022), (6562, 3108511), (9457, 2156926), (18914, 1078463), (22967, 888146), (45934, 444073), (63439, 321538), (126878, 160769)]