20999788936

素因数分解:

$2^3\times 7^1\times {\mathrm{374996231}}^1$

素因数の和:374996244

約数の個数: 16

約数和(自身を含む): 44999547840

約数和(自身を除く): 23999758904

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 374996231, 749992462, 1499984924, 2624973617, 2999969848, 5249947234, 10499894468, 20999788936]

約数ペア:

[(1, 20999788936), (2, 10499894468), (4, 5249947234), (7, 2999969848), (8, 2624973617), (14, 1499984924), (28, 749992462), (56, 374996231)]