20710839

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{617}}^1$

素因数の和:854

約数の個数: 16

約数和(自身を含む): 28240128

約数和(自身を除く): 7529289

約数列:

[1, 3, 67, 167, 201, 501, 617, 1851, 11189, 33567, 41339, 103039, 124017, 309117, 6903613, 20710839]

約数ペア:

[(1, 20710839), (3, 6903613), (67, 309117), (167, 124017), (201, 103039), (501, 41339), (617, 33567), (1851, 11189)]