2019980464

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{318007}}^1$

素因数の和:318412

約数の個数: 20

約数和(自身を含む): 3923582704

約数和(自身を除く): 1903602240

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3176, 6352, 318007, 636014, 1272028, 2544056, 5088112, 126248779, 252497558, 504995116, 1009990232, 2019980464]

約数ペア:

[(1, 2019980464), (2, 1009990232), (4, 504995116), (8, 252497558), (16, 126248779), (397, 5088112), (794, 2544056), (1588, 1272028), (3176, 636014), (6352, 318007)]