20266565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 28498176

約数和(自身を除く): 8231611

約数列:

[1, 5, 11, 23, 37, 55, 115, 185, 253, 407, 433, 851, 1265, 2035, 2165, 4255, 4763, 9361, 9959, 16021, 23815, 46805, 49795, 80105, 109549, 176231, 368483, 547745, 881155, 1842415, 4053313, 20266565]

約数ペア:

[(1, 20266565), (5, 4053313), (11, 1842415), (23, 881155), (37, 547745), (55, 368483), (115, 176231), (185, 109549), (253, 80105), (407, 49795), (433, 46805), (851, 23815), (1265, 16021), (2035, 9959), (2165, 9361), (4255, 4763)]