20424985

素因数分解:

$5^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{971}}^1$

素因数の和:1584

約数の個数: 16

約数和(自身を含む): 28086912

約数和(自身を除く): 7661927

約数列:

[1, 5, 7, 35, 601, 971, 3005, 4207, 4855, 6797, 21035, 33985, 583571, 2917855, 4084997, 20424985]

約数ペア:

[(1, 20424985), (5, 4084997), (7, 2917855), (35, 583571), (601, 33985), (971, 21035), (3005, 6797), (4207, 4855)]