20931242

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{4691}}^1$

素因数の和:4813

約数の個数: 16

約数和(自身を含む): 33106752

約数和(自身を除く): 12175510

約数列:

[1, 2, 23, 46, 97, 194, 2231, 4462, 4691, 9382, 107893, 215786, 455027, 910054, 10465621, 20931242]

約数ペア:

[(1, 20931242), (2, 10465621), (23, 910054), (46, 455027), (97, 215786), (194, 107893), (2231, 9382), (4462, 4691)]