20898173654

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4747427}}^1$

素因数の和:4747531

約数の個数: 16

約数和(自身を含む): 32814222336

約数和(自身を除く): 11916048682

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 4747427, 9494854, 147170237, 294340474, 337067317, 674134634, 10449086827, 20898173654]

約数ペア:

[(1, 20898173654), (2, 10449086827), (31, 674134634), (62, 337067317), (71, 294340474), (142, 147170237), (2201, 9494854), (4402, 4747427)]