20177981180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144128437}}^1$

素因数の和:144128453

約数の個数: 24

約数和(自身を含む): 48427155168

約数和(自身を除く): 28249173988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144128437, 288256874, 576513748, 720642185, 1008899059, 1441284370, 2017798118, 2882568740, 4035596236, 5044495295, 10088990590, 20177981180]

約数ペア:

[(1, 20177981180), (2, 10088990590), (4, 5044495295), (5, 4035596236), (7, 2882568740), (10, 2017798118), (14, 1441284370), (20, 1008899059), (28, 720642185), (35, 576513748), (70, 288256874), (140, 144128437)]