20368068

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5639}}^1$

素因数の和:5696

約数の個数: 48

約数和(自身を含む): 55587840

約数和(自身を除く): 35219772

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5639, 11278, 16917, 22556, 33834, 39473, 67668, 78946, 118419, 157892, 236838, 242477, 473676, 484954, 727431, 969908, 1454862, 1697339, 2909724, 3394678, 5092017, 6789356, 10184034, 20368068]

約数ペア:

[(1, 20368068), (2, 10184034), (3, 6789356), (4, 5092017), (6, 3394678), (7, 2909724), (12, 1697339), (14, 1454862), (21, 969908), (28, 727431), (42, 484954), (43, 473676), (84, 242477), (86, 236838), (129, 157892), (172, 118419), (258, 78946), (301, 67668), (516, 39473), (602, 33834), (903, 22556), (1204, 16917), (1806, 11278), (3612, 5639)]