20171520695

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{12899}}^1$

素因数の和:13127

約数の個数: 32

約数和(自身を含む): 25411968000

約数和(自身を除く): 5240447305

約数列:

[1, 5, 37, 79, 107, 185, 395, 535, 2923, 3959, 8453, 12899, 14615, 19795, 42265, 64495, 312761, 477263, 1019021, 1380193, 1563805, 2386315, 5095105, 6900965, 37703777, 51067141, 109035247, 188518885, 255335705, 545176235, 4034304139, 20171520695]

約数ペア:

[(1, 20171520695), (5, 4034304139), (37, 545176235), (79, 255335705), (107, 188518885), (185, 109035247), (395, 51067141), (535, 37703777), (2923, 6900965), (3959, 5095105), (8453, 2386315), (12899, 1563805), (14615, 1380193), (19795, 1019021), (42265, 477263), (64495, 312761)]