2002020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 5707968

約数和(自身を除く): 3705948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 547, 610, 732, 915, 1094, 1220, 1641, 1830, 2188, 2735, 3282, 3660, 5470, 6564, 8205, 10940, 16410, 32820, 33367, 66734, 100101, 133468, 166835, 200202, 333670, 400404, 500505, 667340, 1001010, 2002020]

約数ペア:

[(1, 2002020), (2, 1001010), (3, 667340), (4, 500505), (5, 400404), (6, 333670), (10, 200202), (12, 166835), (15, 133468), (20, 100101), (30, 66734), (60, 33367), (61, 32820), (122, 16410), (183, 10940), (244, 8205), (305, 6564), (366, 5470), (547, 3660), (610, 3282), (732, 2735), (915, 2188), (1094, 1830), (1220, 1641)]