20983304

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{557}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 41883480

約数和(自身を除く): 20900176

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 277, 554, 557, 1108, 1114, 2216, 2228, 4456, 4709, 9418, 9469, 18836, 18938, 37672, 37876, 75752, 154289, 308578, 617156, 1234312, 2622913, 5245826, 10491652, 20983304]

約数ペア:

[(1, 20983304), (2, 10491652), (4, 5245826), (8, 2622913), (17, 1234312), (34, 617156), (68, 308578), (136, 154289), (277, 75752), (554, 37876), (557, 37672), (1108, 18938), (1114, 18836), (2216, 9469), (2228, 9418), (4456, 4709)]