20238047480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72278741}}^1$

素因数の和:72278759

約数の個数: 32

約数和(自身を含む): 52040694240

約数和(自身を除く): 31802646760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72278741, 144557482, 289114964, 361393705, 505951187, 578229928, 722787410, 1011902374, 1445574820, 2023804748, 2529755935, 2891149640, 4047609496, 5059511870, 10119023740, 20238047480]

約数ペア:

[(1, 20238047480), (2, 10119023740), (4, 5059511870), (5, 4047609496), (7, 2891149640), (8, 2529755935), (10, 2023804748), (14, 1445574820), (20, 1011902374), (28, 722787410), (35, 578229928), (40, 505951187), (56, 361393705), (70, 289114964), (140, 144557482), (280, 72278741)]