20722156

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56929}}^1$

素因数の和:56953

約数の個数: 24

約数和(自身を含む): 44633120

約数和(自身を除く): 23910964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 56929, 113858, 227716, 398503, 740077, 797006, 1480154, 1594012, 2960308, 5180539, 10361078, 20722156]

約数ペア:

[(1, 20722156), (2, 10361078), (4, 5180539), (7, 2960308), (13, 1594012), (14, 1480154), (26, 797006), (28, 740077), (52, 398503), (91, 227716), (182, 113858), (364, 56929)]