20189768

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{613}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 39787200

約数和(自身を除く): 19597432

約数列:

[1, 2, 4, 8, 23, 46, 92, 179, 184, 358, 613, 716, 1226, 1432, 2452, 4117, 4904, 8234, 14099, 16468, 28198, 32936, 56396, 109727, 112792, 219454, 438908, 877816, 2523721, 5047442, 10094884, 20189768]

約数ペア:

[(1, 20189768), (2, 10094884), (4, 5047442), (8, 2523721), (23, 877816), (46, 438908), (92, 219454), (179, 112792), (184, 109727), (358, 56396), (613, 32936), (716, 28198), (1226, 16468), (1432, 14099), (2452, 8234), (4117, 4904)]