20900157

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{1181}}^1$

素因数の和:1548

約数の個数: 16

約数和(自身を含む): 29616192

約数和(自身を除く): 8716035

約数列:

[1, 3, 17, 51, 347, 1041, 1181, 3543, 5899, 17697, 20077, 60231, 409807, 1229421, 6966719, 20900157]

約数ペア:

[(1, 20900157), (3, 6966719), (17, 1229421), (51, 409807), (347, 60231), (1041, 20077), (1181, 17697), (3543, 5899)]