20935959

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 32783616

約数和(自身を除く): 11847657

約数列:

[1, 3, 11, 17, 33, 51, 67, 187, 201, 557, 561, 737, 1139, 1671, 2211, 3417, 6127, 9469, 12529, 18381, 28407, 37319, 37587, 104159, 111957, 312477, 410509, 634423, 1231527, 1903269, 6978653, 20935959]

約数ペア:

[(1, 20935959), (3, 6978653), (11, 1903269), (17, 1231527), (33, 634423), (51, 410509), (67, 312477), (187, 111957), (201, 104159), (557, 37587), (561, 37319), (737, 28407), (1139, 18381), (1671, 12529), (2211, 9469), (3417, 6127)]