2057137130

素因数分解:

$2^1\times 5^1\times {\mathrm{9923}}^1\times {\mathrm{20731}}^1$

素因数の和:30661

約数の個数: 16

約数和(自身を含む): 3703398624

約数和(自身を除く): 1646261494

約数列:

[1, 2, 5, 10, 9923, 19846, 20731, 41462, 49615, 99230, 103655, 207310, 205713713, 411427426, 1028568565, 2057137130]

約数ペア:

[(1, 2057137130), (2, 1028568565), (5, 411427426), (10, 205713713), (9923, 207310), (19846, 103655), (20731, 99230), (41462, 49615)]