20684161

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 22302720

約数和(自身を除く): 1618559

約数列:

[1, 31, 43, 59, 263, 1333, 1829, 2537, 8153, 11309, 15517, 78647, 350579, 481027, 667231, 20684161]

約数ペア:

[(1, 20684161), (31, 667231), (43, 481027), (59, 350579), (263, 78647), (1333, 15517), (1829, 11309), (2537, 8153)]