20445215

素因数分解:

$5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1301}}^1$

素因数の和:1762

約数の個数: 16

約数和(自身を含む): 28123200

約数和(自身を除く): 7677985

約数列:

[1, 5, 7, 35, 449, 1301, 2245, 3143, 6505, 9107, 15715, 45535, 584149, 2920745, 4089043, 20445215]

約数ペア:

[(1, 20445215), (5, 4089043), (7, 2920745), (35, 584149), (449, 45535), (1301, 15715), (2245, 9107), (3143, 6505)]