20197358

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{10211}}^1$

素因数の和:10279

約数の個数: 16

約数和(自身を含む): 32351616

約数和(自身を除く): 12154258

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 10211, 20422, 234853, 439073, 469706, 878146, 10098679, 20197358]

約数ペア:

[(1, 20197358), (2, 10098679), (23, 878146), (43, 469706), (46, 439073), (86, 234853), (989, 20422), (1978, 10211)]