20005974010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37993}}^1\times {\mathrm{4787}}^1$

素因数の和:42798

約数の個数: 32

約数和(自身を含む): 39293698752

約数和(自身を除く): 19287724742

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 4787, 9574, 23935, 37993, 47870, 52657, 75986, 105314, 189965, 263285, 379930, 417923, 526570, 835846, 2089615, 4179230, 181872491, 363744982, 909362455, 1818724910, 2000597401, 4001194802, 10002987005, 20005974010]

約数ペア:

[(1, 20005974010), (2, 10002987005), (5, 4001194802), (10, 2000597401), (11, 1818724910), (22, 909362455), (55, 363744982), (110, 181872491), (4787, 4179230), (9574, 2089615), (23935, 835846), (37993, 526570), (47870, 417923), (52657, 379930), (75986, 263285), (105314, 189965)]