20667976

素因数分解:

$2^3\times 7^1\times {\mathrm{369071}}^1$

素因数の和:369084

約数の個数: 16

約数和(自身を含む): 44288640

約数和(自身を除く): 23620664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 369071, 738142, 1476284, 2583497, 2952568, 5166994, 10333988, 20667976]

約数ペア:

[(1, 20667976), (2, 10333988), (4, 5166994), (7, 2952568), (8, 2583497), (14, 1476284), (28, 738142), (56, 369071)]