20979622

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1\times {\mathrm{647}}^1$

素因数の和:1203

約数の個数: 16

約数和(自身を含む): 32596992

約数和(自身を除く): 11617370

約数列:

[1, 2, 31, 62, 523, 647, 1046, 1294, 16213, 20057, 32426, 40114, 338381, 676762, 10489811, 20979622]

約数ペア:

[(1, 20979622), (2, 10489811), (31, 676762), (62, 338381), (523, 40114), (647, 32426), (1046, 20057), (1294, 16213)]