20669320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73819}}^1$

素因数の和:73837

約数の個数: 32

約数和(自身を含む): 53150400

約数和(自身を除く): 32481080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73819, 147638, 295276, 369095, 516733, 590552, 738190, 1033466, 1476380, 2066932, 2583665, 2952760, 4133864, 5167330, 10334660, 20669320]

約数ペア:

[(1, 20669320), (2, 10334660), (4, 5167330), (5, 4133864), (7, 2952760), (8, 2583665), (10, 2066932), (14, 1476380), (20, 1033466), (28, 738190), (35, 590552), (40, 516733), (56, 369095), (70, 295276), (140, 147638), (280, 73819)]