20746511

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 22781088

約数和(自身を除く): 2034577

約数列:

[1, 17, 43, 101, 281, 731, 1717, 4343, 4777, 12083, 28381, 73831, 205411, 482477, 1220383, 20746511]

約数ペア:

[(1, 20746511), (17, 1220383), (43, 482477), (101, 205411), (281, 73831), (731, 28381), (1717, 12083), (4343, 4777)]