20723766

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{70489}}^1$

素因数の和:70508

約数の個数: 24

約数和(自身を含む): 48215160

約数和(自身を除く): 27491394

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 70489, 140978, 211467, 422934, 493423, 986846, 1480269, 2960538, 3453961, 6907922, 10361883, 20723766]

約数ペア:

[(1, 20723766), (2, 10361883), (3, 6907922), (6, 3453961), (7, 2960538), (14, 1480269), (21, 986846), (42, 493423), (49, 422934), (98, 211467), (147, 140978), (294, 70489)]