20447379

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1249}}^1$

素因数の和:1379

約数の個数: 24

約数和(自身を含む): 31590000

約数和(自身を除く): 11142621

約数列:

[1, 3, 9, 17, 51, 107, 153, 321, 963, 1249, 1819, 3747, 5457, 11241, 16371, 21233, 63699, 133643, 191097, 400929, 1202787, 2271931, 6815793, 20447379]

約数ペア:

[(1, 20447379), (3, 6815793), (9, 2271931), (17, 1202787), (51, 400929), (107, 191097), (153, 133643), (321, 63699), (963, 21233), (1249, 16371), (1819, 11241), (3747, 5457)]