20576392

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7963}}^1$

素因数の和:8005

約数の個数: 32

約数和(自身を含む): 43005600

約数和(自身を除く): 22429208

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7963, 15926, 31852, 63704, 135371, 151297, 270742, 302594, 541484, 605188, 1082968, 1210376, 2572049, 5144098, 10288196, 20576392]

約数ペア:

[(1, 20576392), (2, 10288196), (4, 5144098), (8, 2572049), (17, 1210376), (19, 1082968), (34, 605188), (38, 541484), (68, 302594), (76, 270742), (136, 151297), (152, 135371), (323, 63704), (646, 31852), (1292, 15926), (2584, 7963)]