20940557

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2237}}^1$

素因数の和:2308

約数の個数: 16

約数和(自身を含む): 24492672

約数和(自身を除く): 3552115

約数列:

[1, 11, 23, 37, 253, 407, 851, 2237, 9361, 24607, 51451, 82769, 565961, 910459, 1903687, 20940557]

約数ペア:

[(1, 20940557), (11, 1903687), (23, 910459), (37, 565961), (253, 82769), (407, 51451), (851, 24607), (2237, 9361)]