20932010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 42547680

約数和(自身を除く): 21615670

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 139, 185, 278, 370, 407, 695, 814, 1369, 1390, 1529, 2035, 2738, 3058, 4070, 5143, 6845, 7645, 10286, 13690, 15059, 15290, 25715, 30118, 51430, 56573, 75295, 113146, 150590, 190291, 282865, 380582, 565730, 951455, 1902910, 2093201, 4186402, 10466005, 20932010]

約数ペア:

[(1, 20932010), (2, 10466005), (5, 4186402), (10, 2093201), (11, 1902910), (22, 951455), (37, 565730), (55, 380582), (74, 282865), (110, 190291), (139, 150590), (185, 113146), (278, 75295), (370, 56573), (407, 51430), (695, 30118), (814, 25715), (1369, 15290), (1390, 15059), (1529, 13690), (2035, 10286), (2738, 7645), (3058, 6845), (4070, 5143)]