20199892412

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1\times {\mathrm{9887}}^1$

素因数の和:10586

約数の個数: 48

約数和(自身を含む): 40785389568

約数和(自身を除く): 20585497156

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 557, 917, 1114, 1834, 2228, 3668, 3899, 7798, 9887, 15596, 19774, 39548, 69209, 72967, 138418, 145934, 276836, 291868, 510769, 1021538, 1295197, 2043076, 2590394, 5180788, 5507059, 9066379, 11014118, 18132758, 22028236, 36265516, 38549413, 77098826, 154197652, 721424729, 1442849458, 2885698916, 5049973103, 10099946206, 20199892412]

約数ペア:

[(1, 20199892412), (2, 10099946206), (4, 5049973103), (7, 2885698916), (14, 1442849458), (28, 721424729), (131, 154197652), (262, 77098826), (524, 38549413), (557, 36265516), (917, 22028236), (1114, 18132758), (1834, 11014118), (2228, 9066379), (3668, 5507059), (3899, 5180788), (7798, 2590394), (9887, 2043076), (15596, 1295197), (19774, 1021538), (39548, 510769), (69209, 291868), (72967, 276836), (138418, 145934)]