20262697

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2081}}^1$

素因数の和:2208

約数の個数: 16

約数和(自身を含む): 25183872

約数和(自身を除く): 4921175

約数列:

[1, 7, 13, 91, 107, 749, 1391, 2081, 9737, 14567, 27053, 189371, 222667, 1558669, 2894671, 20262697]

約数ペア:

[(1, 20262697), (7, 2894671), (13, 1558669), (91, 222667), (107, 189371), (749, 27053), (1391, 14567), (2081, 9737)]