20974630

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23567}}^1$

素因数の和:23663

約数の個数: 16

約数和(自身を含む): 38180160

約数和(自身を除く): 17205530

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 23567, 47134, 117835, 235670, 2097463, 4194926, 10487315, 20974630]

約数ペア:

[(1, 20974630), (2, 10487315), (5, 4194926), (10, 2097463), (89, 235670), (178, 117835), (445, 47134), (890, 23567)]