20187765781

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{4027}}^1$

素因数の和:4249

約数の個数: 32

約数和(自身を含む): 22273228800

約数和(自身を除く): 2085463019

約数列:

[1, 23, 31, 79, 89, 713, 1817, 2047, 2449, 2759, 4027, 7031, 56327, 63457, 92621, 124837, 161713, 217961, 318133, 358403, 2871251, 5013103, 7317059, 8243269, 9862123, 11110493, 28313837, 226828829, 255541339, 651218251, 877728947, 20187765781]

約数ペア:

[(1, 20187765781), (23, 877728947), (31, 651218251), (79, 255541339), (89, 226828829), (713, 28313837), (1817, 11110493), (2047, 9862123), (2449, 8243269), (2759, 7317059), (4027, 5013103), (7031, 2871251), (56327, 358403), (63457, 318133), (92621, 217961), (124837, 161713)]