20215696

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66499}}^1$

素因数の和:66526

約数の個数: 20

約数和(自身を含む): 41230000

約数和(自身を除く): 21014304

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66499, 132998, 265996, 531992, 1063984, 1263481, 2526962, 5053924, 10107848, 20215696]

約数ペア:

[(1, 20215696), (2, 10107848), (4, 5053924), (8, 2526962), (16, 1263481), (19, 1063984), (38, 531992), (76, 265996), (152, 132998), (304, 66499)]