20312938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{1489}}^1$

素因数の和:1869

約数の個数: 16

約数和(自身を含む): 32184000

約数和(自身を除く): 11871062

約数列:

[1, 2, 19, 38, 359, 718, 1489, 2978, 6821, 13642, 28291, 56582, 534551, 1069102, 10156469, 20312938]

約数ペア:

[(1, 20312938), (2, 10156469), (19, 1069102), (38, 534551), (359, 56582), (718, 28291), (1489, 13642), (2978, 6821)]