20444115

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80173}}^1$

素因数の和:80198

約数の個数: 16

約数和(自身を含む): 34635168

約数和(自身を除く): 14191053

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 80173, 240519, 400865, 1202595, 1362941, 4088823, 6814705, 20444115]

約数ペア:

[(1, 20444115), (3, 6814705), (5, 4088823), (15, 1362941), (17, 1202595), (51, 400865), (85, 240519), (255, 80173)]