20153168

素因数分解:

$2^4\times 7^1\times {\mathrm{179939}}^1$

素因数の和:179954

約数の個数: 20

約数和(自身を含む): 44625120

約数和(自身を除く): 24471952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 179939, 359878, 719756, 1259573, 1439512, 2519146, 2879024, 5038292, 10076584, 20153168]

約数ペア:

[(1, 20153168), (2, 10076584), (4, 5038292), (7, 2879024), (8, 2519146), (14, 1439512), (16, 1259573), (28, 719756), (56, 359878), (112, 179939)]