20485899

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1013}}^1$

素因数の和:1136

約数の個数: 32

約数和(自身を含む): 35043840

約数和(自身を除く): 14557941

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 1013, 2247, 2889, 3039, 6741, 7091, 9117, 20223, 21273, 27351, 63819, 108391, 191457, 325173, 758737, 975519, 2276211, 2926557, 6828633, 20485899]

約数ペア:

[(1, 20485899), (3, 6828633), (7, 2926557), (9, 2276211), (21, 975519), (27, 758737), (63, 325173), (107, 191457), (189, 108391), (321, 63819), (749, 27351), (963, 21273), (1013, 20223), (2247, 9117), (2889, 7091), (3039, 6741)]