20968745

素因数分解:

$5^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{971}}^1$

素因数の和:1600

約数の個数: 16

約数和(自身を含む): 28833408

約数和(自身を除く): 7864663

約数列:

[1, 5, 7, 35, 617, 971, 3085, 4319, 4855, 6797, 21595, 33985, 599107, 2995535, 4193749, 20968745]

約数ペア:

[(1, 20968745), (5, 4193749), (7, 2995535), (35, 599107), (617, 33985), (971, 21595), (3085, 6797), (4319, 4855)]