20765972

素因数分解:

$2^2\times {\mathrm{29}}^2\times {\mathrm{6173}}^1$

素因数の和:6235

約数の個数: 18

約数和(自身を含む): 37642878

約数和(自身を除く): 16876906

約数列:

[1, 2, 4, 29, 58, 116, 841, 1682, 3364, 6173, 12346, 24692, 179017, 358034, 716068, 5191493, 10382986, 20765972]

約数ペア:

[(1, 20765972), (2, 10382986), (4, 5191493), (29, 716068), (58, 358034), (116, 179017), (841, 24692), (1682, 12346), (3364, 6173)]