20498768

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27259}}^1$

素因数の和:27314

約数の個数: 20

約数和(自身を含む): 40562880

約数和(自身を除く): 20064112

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27259, 54518, 109036, 218072, 436144, 1281173, 2562346, 5124692, 10249384, 20498768]

約数ペア:

[(1, 20498768), (2, 10249384), (4, 5124692), (8, 2562346), (16, 1281173), (47, 436144), (94, 218072), (188, 109036), (376, 54518), (752, 27259)]