20165979208

素因数分解:

$2^3\times {\mathrm{577}}^1\times {\mathrm{4368713}}^1$

素因数の和:4369296

約数の個数: 16

約数和(自身を含む): 37876750380

約数和(自身を除く): 17710771172

約数列:

[1, 2, 4, 8, 577, 1154, 2308, 4616, 4368713, 8737426, 17474852, 34949704, 2520747401, 5041494802, 10082989604, 20165979208]

約数ペア:

[(1, 20165979208), (2, 10082989604), (4, 5041494802), (8, 2520747401), (577, 34949704), (1154, 17474852), (2308, 8737426), (4616, 4368713)]