20158269320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71993819}}^1$

素因数の和:71993837

約数の個数: 32

約数和(自身を含む): 51835550400

約数和(自身を除く): 31677281080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71993819, 143987638, 287975276, 359969095, 503956733, 575950552, 719938190, 1007913466, 1439876380, 2015826932, 2519783665, 2879752760, 4031653864, 5039567330, 10079134660, 20158269320]

約数ペア:

[(1, 20158269320), (2, 10079134660), (4, 5039567330), (5, 4031653864), (7, 2879752760), (8, 2519783665), (10, 2015826932), (14, 1439876380), (20, 1007913466), (28, 719938190), (35, 575950552), (40, 503956733), (56, 359969095), (70, 287975276), (140, 143987638), (280, 71993819)]