20453804

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38447}}^1$

素因数の和:38477

約数の個数: 24

約数和(自身を含む): 43061760

約数和(自身を除く): 22607956

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 38447, 76894, 153788, 269129, 538258, 730493, 1076516, 1460986, 2921972, 5113451, 10226902, 20453804]

約数ペア:

[(1, 20453804), (2, 10226902), (4, 5113451), (7, 2921972), (14, 1460986), (19, 1076516), (28, 730493), (38, 538258), (76, 269129), (133, 153788), (266, 76894), (532, 38447)]