20740319

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:446

約数の個数: 16

約数和(自身を含む): 22547712

約数和(自身を除く): 1807393

約数列:

[1, 23, 43, 67, 313, 989, 1541, 2881, 7199, 13459, 20971, 66263, 309557, 482333, 901753, 20740319]

約数ペア:

[(1, 20740319), (23, 901753), (43, 482333), (67, 309557), (313, 66263), (989, 20971), (1541, 13459), (2881, 7199)]