20549902

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8429}}^1$

素因数の和:8507

約数の個数: 16

約数和(自身を含む): 32775840

約数和(自身を除く): 12225938

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8429, 16858, 193867, 387734, 446737, 893474, 10274951, 20549902]

約数ペア:

[(1, 20549902), (2, 10274951), (23, 893474), (46, 446737), (53, 387734), (106, 193867), (1219, 16858), (2438, 8429)]