20144687990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3942209}}^1$

素因数の和:3942296

約数の個数: 32

約数和(自身を含む): 42008189760

約数和(自身を除く): 21863501770

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 5110, 3942209, 7884418, 19711045, 27595463, 39422090, 55190926, 137977315, 275954630, 287781257, 575562514, 1438906285, 2014468799, 2877812570, 4028937598, 10072343995, 20144687990]

約数ペア:

[(1, 20144687990), (2, 10072343995), (5, 4028937598), (7, 2877812570), (10, 2014468799), (14, 1438906285), (35, 575562514), (70, 287781257), (73, 275954630), (146, 137977315), (365, 55190926), (511, 39422090), (730, 27595463), (1022, 19711045), (2555, 7884418), (5110, 3942209)]