20888554

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{577}}^1\times {\mathrm{787}}^1$

素因数の和:1389

約数の個数: 16

約数和(自身を含む): 32793408

約数和(自身を除く): 11904854

約数列:

[1, 2, 23, 46, 577, 787, 1154, 1574, 13271, 18101, 26542, 36202, 454099, 908198, 10444277, 20888554]

約数ペア:

[(1, 20888554), (2, 10444277), (23, 908198), (46, 454099), (577, 36202), (787, 26542), (1154, 18101), (1574, 13271)]