20011888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{96211}}^1$

素因数の和:96232

約数の個数: 20

約数和(自身を含む): 41756008

約数和(自身を除く): 21744120

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 96211, 192422, 384844, 769688, 1250743, 1539376, 2501486, 5002972, 10005944, 20011888]

約数ペア:

[(1, 20011888), (2, 10005944), (4, 5002972), (8, 2501486), (13, 1539376), (16, 1250743), (26, 769688), (52, 384844), (104, 192422), (208, 96211)]