20533616

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{6449}}^1$

素因数の和:6656

約数の個数: 20

約数和(自身を含む): 39990000

約数和(自身を除く): 19456384

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 6449, 12898, 25796, 51592, 103184, 1283351, 2566702, 5133404, 10266808, 20533616]

約数ペア:

[(1, 20533616), (2, 10266808), (4, 5133404), (8, 2566702), (16, 1283351), (199, 103184), (398, 51592), (796, 25796), (1592, 12898), (3184, 6449)]