201920144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{664211}}^1$

素因数の和:664238

約数の個数: 20

約数和(自身を含む): 411811440

約数和(自身を除く): 209891296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 664211, 1328422, 2656844, 5313688, 10627376, 12620009, 25240018, 50480036, 100960072, 201920144]

約数ペア:

[(1, 201920144), (2, 100960072), (4, 50480036), (8, 25240018), (16, 12620009), (19, 10627376), (38, 5313688), (76, 2656844), (152, 1328422), (304, 664211)]