20965328

素因数分解:

$2^4\times {\mathrm{23}}^2\times {\mathrm{2477}}^1$

素因数の和:2531

約数の個数: 30

約数和(自身を含む): 42480354

約数和(自身を除く): 21515026

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 529, 1058, 2116, 2477, 4232, 4954, 8464, 9908, 19816, 39632, 56971, 113942, 227884, 455768, 911536, 1310333, 2620666, 5241332, 10482664, 20965328]

約数ペア:

[(1, 20965328), (2, 10482664), (4, 5241332), (8, 2620666), (16, 1310333), (23, 911536), (46, 455768), (92, 227884), (184, 113942), (368, 56971), (529, 39632), (1058, 19816), (2116, 9908), (2477, 8464), (4232, 4954)]