20171939710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1\times {\mathrm{56569}}^1$

素因数の和:56813

約数の個数: 48

約数和(自身を含む): 39504414960

約数和(自身を除く): 19332475250

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 211, 338, 422, 845, 1055, 1690, 2110, 2743, 5486, 13715, 27430, 35659, 56569, 71318, 113138, 178295, 282845, 356590, 565690, 735397, 1470794, 3676985, 7353970, 9560161, 11936059, 19120322, 23872118, 47800805, 59680295, 95601610, 119360590, 155168767, 310337534, 775843835, 1551687670, 2017193971, 4034387942, 10085969855, 20171939710]

約数ペア:

[(1, 20171939710), (2, 10085969855), (5, 4034387942), (10, 2017193971), (13, 1551687670), (26, 775843835), (65, 310337534), (130, 155168767), (169, 119360590), (211, 95601610), (338, 59680295), (422, 47800805), (845, 23872118), (1055, 19120322), (1690, 11936059), (2110, 9560161), (2743, 7353970), (5486, 3676985), (13715, 1470794), (27430, 735397), (35659, 565690), (56569, 356590), (71318, 282845), (113138, 178295)]