20982051

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:376

約数の個数: 32

約数和(自身を含む): 32563200

約数和(自身を除く): 11581149

約数列:

[1, 3, 9, 27, 29, 87, 127, 211, 261, 381, 633, 783, 1143, 1899, 3429, 3683, 5697, 6119, 11049, 18357, 26797, 33147, 55071, 80391, 99441, 165213, 241173, 723519, 777113, 2331339, 6994017, 20982051]

約数ペア:

[(1, 20982051), (3, 6994017), (9, 2331339), (27, 777113), (29, 723519), (87, 241173), (127, 165213), (211, 99441), (261, 80391), (381, 55071), (633, 33147), (783, 26797), (1143, 18357), (1899, 11049), (3429, 6119), (3683, 5697)]