20583405

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6827}}^1$

素因数の和:6905

約数の個数: 24

約数和(自身を含む): 36215712

約数和(自身を除く): 15632307

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 6827, 20481, 34135, 61443, 102405, 307215, 457409, 1372227, 2287045, 4116681, 6861135, 20583405]

約数ペア:

[(1, 20583405), (3, 6861135), (5, 4116681), (9, 2287045), (15, 1372227), (45, 457409), (67, 307215), (201, 102405), (335, 61443), (603, 34135), (1005, 20481), (3015, 6827)]