20374170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1361}}^1$

素因数の和:1870

約数の個数: 32

約数和(自身を含む): 49032000

約数和(自身を除く): 28657830

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 499, 998, 1361, 1497, 2495, 2722, 2994, 4083, 4990, 6805, 7485, 8166, 13610, 14970, 20415, 40830, 679139, 1358278, 2037417, 3395695, 4074834, 6791390, 10187085, 20374170]

約数ペア:

[(1, 20374170), (2, 10187085), (3, 6791390), (5, 4074834), (6, 3395695), (10, 2037417), (15, 1358278), (30, 679139), (499, 40830), (998, 20415), (1361, 14970), (1497, 13610), (2495, 8166), (2722, 7485), (2994, 6805), (4083, 4990)]