20689976

素因数分解:

$2^3\times {\mathrm{613}}^1\times {\mathrm{4219}}^1$

素因数の和:4838

約数の個数: 16

約数和(自身を含む): 38866200

約数和(自身を除く): 18176224

約数列:

[1, 2, 4, 8, 613, 1226, 2452, 4219, 4904, 8438, 16876, 33752, 2586247, 5172494, 10344988, 20689976]

約数ペア:

[(1, 20689976), (2, 10344988), (4, 5172494), (8, 2586247), (613, 33752), (1226, 16876), (2452, 8438), (4219, 4904)]