20988799

素因数分解:

${\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 2235521

約数列:

[1, 13, 79, 107, 191, 1027, 1391, 2483, 8453, 15089, 20437, 109889, 196157, 265681, 1614523, 20988799]

約数ペア:

[(1, 20988799), (13, 1614523), (79, 265681), (107, 196157), (191, 109889), (1027, 20437), (1391, 15089), (2483, 8453)]