12100502020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5550689}}^1$

素因数の和:5550807

約数の個数: 24

約数和(自身を含む): 25644187800

約数和(自身を除く): 13543685780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 5550689, 11101378, 22202756, 27753445, 55506890, 111013780, 605025101, 1210050202, 2420100404, 3025125505, 6050251010, 12100502020]

約数ペア:

[(1, 12100502020), (2, 6050251010), (4, 3025125505), (5, 2420100404), (10, 1210050202), (20, 605025101), (109, 111013780), (218, 55506890), (436, 27753445), (545, 22202756), (1090, 11101378), (2180, 5550689)]