20238855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14827}}^1$

素因数の和:14855

約数の個数: 32

約数和(自身を含む): 39857664

約数和(自身を除く): 19618809

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 14827, 44481, 74135, 103789, 192751, 222405, 311367, 518945, 578253, 963755, 1349257, 1556835, 2891265, 4047771, 6746285, 20238855]

約数ペア:

[(1, 20238855), (3, 6746285), (5, 4047771), (7, 2891265), (13, 1556835), (15, 1349257), (21, 963755), (35, 578253), (39, 518945), (65, 311367), (91, 222405), (105, 192751), (195, 103789), (273, 74135), (455, 44481), (1365, 14827)]