20201717756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1291}}^1\times {\mathrm{5009}}^1$

素因数の和:6386

約数の個数: 48

約数和(自身を含む): 39148220160

約数和(自身を除く): 18946502404

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1291, 1562, 2582, 3124, 5009, 5164, 10018, 14201, 20036, 28402, 55099, 56804, 91661, 110198, 183322, 220396, 355639, 366644, 711278, 1008271, 1422556, 2016542, 3912029, 4033084, 6466619, 7824058, 12933238, 15648116, 25866476, 71132809, 142265618, 284531236, 459129949, 918259898, 1836519796, 5050429439, 10100858878, 20201717756]

約数ペア:

[(1, 20201717756), (2, 10100858878), (4, 5050429439), (11, 1836519796), (22, 918259898), (44, 459129949), (71, 284531236), (142, 142265618), (284, 71132809), (781, 25866476), (1291, 15648116), (1562, 12933238), (2582, 7824058), (3124, 6466619), (5009, 4033084), (5164, 3912029), (10018, 2016542), (14201, 1422556), (20036, 1008271), (28402, 711278), (55099, 366644), (56804, 355639), (91661, 220396), (110198, 183322)]