20408040581

素因数分解:

${\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1\times {\mathrm{55541}}^1$

素因数の和:55876

約数の個数: 16

約数和(自身を含む): 21834671040

約数和(自身を除く): 1426630459

約数列:

[1, 19, 83, 233, 1577, 4427, 19339, 55541, 367441, 1055279, 4609903, 12941053, 87588157, 245880007, 1074107399, 20408040581]

約数ペア:

[(1, 20408040581), (19, 1074107399), (83, 245880007), (233, 87588157), (1577, 12941053), (4427, 4609903), (19339, 1055279), (55541, 367441)]