20867640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173897}}^1$

素因数の和:173911

約数の個数: 32

約数和(自身を含む): 62603280

約数和(自身を除く): 41735640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173897, 347794, 521691, 695588, 869485, 1043382, 1391176, 1738970, 2086764, 2608455, 3477940, 4173528, 5216910, 6955880, 10433820, 20867640]

約数ペア:

[(1, 20867640), (2, 10433820), (3, 6955880), (4, 5216910), (5, 4173528), (6, 3477940), (8, 2608455), (10, 2086764), (12, 1738970), (15, 1391176), (20, 1043382), (24, 869485), (30, 695588), (40, 521691), (60, 347794), (120, 173897)]