20195516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1657}}^1$

素因数の和:1949

約数の個数: 24

約数和(自身を含む): 38717616

約数和(自身を除く): 18522100

約数列:

[1, 2, 4, 11, 22, 44, 277, 554, 1108, 1657, 3047, 3314, 6094, 6628, 12188, 18227, 36454, 72908, 458989, 917978, 1835956, 5048879, 10097758, 20195516]

約数ペア:

[(1, 20195516), (2, 10097758), (4, 5048879), (11, 1835956), (22, 917978), (44, 458989), (277, 72908), (554, 36454), (1108, 18227), (1657, 12188), (3047, 6628), (3314, 6094)]