20684090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7207}}^1$

素因数の和:7262

約数の個数: 32

約数和(自身を含む): 43593984

約数和(自身を除く): 22909894

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 7207, 14414, 36035, 50449, 72070, 100898, 252245, 295487, 504490, 590974, 1477435, 2068409, 2954870, 4136818, 10342045, 20684090]

約数ペア:

[(1, 20684090), (2, 10342045), (5, 4136818), (7, 2954870), (10, 2068409), (14, 1477435), (35, 590974), (41, 504490), (70, 295487), (82, 252245), (205, 100898), (287, 72070), (410, 50449), (574, 36035), (1435, 14414), (2870, 7207)]