16860340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{120431}}^1$

素因数の和:120447

約数の個数: 24

約数和(自身を含む): 40465152

約数和(自身を除く): 23604812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 120431, 240862, 481724, 602155, 843017, 1204310, 1686034, 2408620, 3372068, 4215085, 8430170, 16860340]

約数ペア:

[(1, 16860340), (2, 8430170), (4, 4215085), (5, 3372068), (7, 2408620), (10, 1686034), (14, 1204310), (20, 843017), (28, 602155), (35, 481724), (70, 240862), (140, 120431)]