20338188

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7669}}^1$

素因数の和:7706

約数の個数: 48

約数和(自身を含む): 54119520

約数和(自身を除く): 33781332

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7669, 15338, 23007, 30676, 46014, 92028, 99697, 130373, 199394, 260746, 299091, 391119, 398788, 521492, 598182, 782238, 1196364, 1564476, 1694849, 3389698, 5084547, 6779396, 10169094, 20338188]

約数ペア:

[(1, 20338188), (2, 10169094), (3, 6779396), (4, 5084547), (6, 3389698), (12, 1694849), (13, 1564476), (17, 1196364), (26, 782238), (34, 598182), (39, 521492), (51, 398788), (52, 391119), (68, 299091), (78, 260746), (102, 199394), (156, 130373), (204, 99697), (221, 92028), (442, 46014), (663, 30676), (884, 23007), (1326, 15338), (2652, 7669)]