20001455891

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{135731}}^1$

素因数の和:135946

約数の個数: 16

約数和(自身を含む): 21499948800

約数和(自身を除く): 1498492909

約数列:

[1, 23, 43, 149, 989, 3427, 6407, 135731, 147361, 3121813, 5836433, 20223919, 134237959, 465150137, 869628517, 20001455891]

約数ペア:

[(1, 20001455891), (23, 869628517), (43, 465150137), (149, 134237959), (989, 20223919), (3427, 5836433), (6407, 3121813), (135731, 147361)]