20199142

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1\times {\mathrm{787}}^1$

素因数の和:1143

約数の個数: 16

約数和(自身を含む): 31176432

約数和(自身を除く): 10977290

約数列:

[1, 2, 41, 82, 313, 626, 787, 1574, 12833, 25666, 32267, 64534, 246331, 492662, 10099571, 20199142]

約数ペア:

[(1, 20199142), (2, 10099571), (41, 492662), (82, 246331), (313, 64534), (626, 32267), (787, 25666), (1574, 12833)]