20287518

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{147011}}^1$

素因数の和:147039

約数の個数: 16

約数和(自身を含む): 42339456

約数和(自身を除く): 22051938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 147011, 294022, 441033, 882066, 3381253, 6762506, 10143759, 20287518]

約数ペア:

[(1, 20287518), (2, 10143759), (3, 6762506), (6, 3381253), (23, 882066), (46, 441033), (69, 294022), (138, 147011)]