20199621379

素因数分解:

$7^2\times {\mathrm{503}}^1\times {\mathrm{827}}^1\times {\mathrm{991}}^1$

素因数の和:2335

約数の個数: 24

約数和(自身を含む): 23596489728

約数和(自身を除く): 3396868349

約数列:

[1, 7, 49, 503, 827, 991, 3521, 5789, 6937, 24647, 40523, 48559, 415981, 498473, 819557, 2911867, 3489311, 5736899, 20383069, 24425177, 40158293, 412237171, 2885660197, 20199621379]

約数ペア:

[(1, 20199621379), (7, 2885660197), (49, 412237171), (503, 40158293), (827, 24425177), (991, 20383069), (3521, 5736899), (5789, 3489311), (6937, 2911867), (24647, 819557), (40523, 498473), (48559, 415981)]