16509620

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{4943}}^1$

素因数の和:5119

約数の個数: 24

約数和(自身を含む): 34884864

約数和(自身を除く): 18375244

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 4943, 9886, 19772, 24715, 49430, 98860, 825481, 1650962, 3301924, 4127405, 8254810, 16509620]

約数ペア:

[(1, 16509620), (2, 8254810), (4, 4127405), (5, 3301924), (10, 1650962), (20, 825481), (167, 98860), (334, 49430), (668, 24715), (835, 19772), (1670, 9886), (3340, 4943)]