220001584

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{1250009}}^1$

素因数の和:1250028

約数の個数: 20

約数和(自身を含む): 465003720

約数和(自身を除く): 245002136

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 1250009, 2500018, 5000036, 10000072, 13750099, 20000144, 27500198, 55000396, 110000792, 220001584]

約数ペア:

[(1, 220001584), (2, 110000792), (4, 55000396), (8, 27500198), (11, 20000144), (16, 13750099), (22, 10000072), (44, 5000036), (88, 2500018), (176, 1250009)]