20485317963

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{100823}}^1$

素因数の和:101015

約数の個数: 32

約数和(自身を含む): 30663401472

約数和(自身を除く): 10178083509

約数列:

[1, 3, 11, 33, 47, 131, 141, 393, 517, 1441, 1551, 4323, 6157, 18471, 67727, 100823, 203181, 302469, 1109053, 3327159, 4738681, 13207813, 14216043, 39623439, 52125491, 145285943, 156376473, 435857829, 620767211, 1862301633, 6828439321, 20485317963]

約数ペア:

[(1, 20485317963), (3, 6828439321), (11, 1862301633), (33, 620767211), (47, 435857829), (131, 156376473), (141, 145285943), (393, 52125491), (517, 39623439), (1441, 14216043), (1551, 13207813), (4323, 4738681), (6157, 3327159), (18471, 1109053), (67727, 302469), (100823, 203181)]