20165978

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{84731}}^1$

素因数の和:84757

約数の個数: 16

約数和(自身を含む): 36604224

約数和(自身を除く): 16438246

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 84731, 169462, 593117, 1186234, 1440427, 2880854, 10082989, 20165978]

約数ペア:

[(1, 20165978), (2, 10082989), (7, 2880854), (14, 1440427), (17, 1186234), (34, 593117), (119, 169462), (238, 84731)]