20102690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87403}}^1$

素因数の和:87433

約数の個数: 16

約数和(自身を含む): 37758528

約数和(自身を除く): 17655838

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87403, 174806, 437015, 874030, 2010269, 4020538, 10051345, 20102690]

約数ペア:

[(1, 20102690), (2, 10051345), (5, 4020538), (10, 2010269), (23, 874030), (46, 437015), (115, 174806), (230, 87403)]