20101892

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 35957376

約数和(自身を除く): 15855484

約数列:

[1, 2, 4, 97, 103, 194, 206, 388, 412, 503, 1006, 2012, 9991, 19982, 39964, 48791, 51809, 97582, 103618, 195164, 207236, 5025473, 10050946, 20101892]

約数ペア:

[(1, 20101892), (2, 10050946), (4, 5025473), (97, 207236), (103, 195164), (194, 103618), (206, 97582), (388, 51809), (412, 48791), (503, 39964), (1006, 19982), (2012, 9991)]