20123060656

素因数分解:

$2^4\times {\mathrm{1907}}^1\times {\mathrm{659513}}^1$

素因数の和:661428

約数の個数: 20

約数和(自身を含む): 39008934072

約数和(自身を除く): 18885873416

約数列:

[1, 2, 4, 8, 16, 1907, 3814, 7628, 15256, 30512, 659513, 1319026, 2638052, 5276104, 10552208, 1257691291, 2515382582, 5030765164, 10061530328, 20123060656]

約数ペア:

[(1, 20123060656), (2, 10061530328), (4, 5030765164), (8, 2515382582), (16, 1257691291), (1907, 10552208), (3814, 5276104), (7628, 2638052), (15256, 1319026), (30512, 659513)]