20287275

素因数分解:

$3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{3259}}^1$

素因数の和:3355

約数の個数: 24

約数和(自身を含む): 33956160

約数和(自身を除く): 13668885

約数列:

[1, 3, 5, 15, 25, 75, 83, 249, 415, 1245, 2075, 3259, 6225, 9777, 16295, 48885, 81475, 244425, 270497, 811491, 1352485, 4057455, 6762425, 20287275]

約数ペア:

[(1, 20287275), (3, 6762425), (5, 4057455), (15, 1352485), (25, 811491), (75, 270497), (83, 244425), (249, 81475), (415, 48885), (1245, 16295), (2075, 9777), (3259, 6225)]