20006997

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{5003}}^1$

素因数の和:5080

約数の個数: 16

約数和(自身を含む): 28182528

約数和(自身を除く): 8175531

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 5003, 15009, 155093, 215129, 465279, 645387, 6668999, 20006997]

約数ペア:

[(1, 20006997), (3, 6668999), (31, 645387), (43, 465279), (93, 215129), (129, 155093), (1333, 15009), (3999, 5003)]