20803408

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{56531}}^1$

素因数の和:56562

約数の個数: 20

約数和(自身を含む): 42059808

約数和(自身を除く): 21256400

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 56531, 113062, 226124, 452248, 904496, 1300213, 2600426, 5200852, 10401704, 20803408]

約数ペア:

[(1, 20803408), (2, 10401704), (4, 5200852), (8, 2600426), (16, 1300213), (23, 904496), (46, 452248), (92, 226124), (184, 113062), (368, 56531)]