320172592

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{20071}}^1$

素因数の和:21076

約数の個数: 20

約数和(自身を含む): 620987536

約数和(自身を除く): 300814944

約数列:

[1, 2, 4, 8, 16, 997, 1994, 3988, 7976, 15952, 20071, 40142, 80284, 160568, 321136, 20010787, 40021574, 80043148, 160086296, 320172592]

約数ペア:

[(1, 320172592), (2, 160086296), (4, 80043148), (8, 40021574), (16, 20010787), (997, 321136), (1994, 160568), (3988, 80284), (7976, 40142), (15952, 20071)]