20451292

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{124703}}^1$

素因数の和:124748

約数の個数: 12

約数和(自身を含む): 36662976

約数和(自身を除く): 16211684

約数列:

[1, 2, 4, 41, 82, 164, 124703, 249406, 498812, 5112823, 10225646, 20451292]

約数ペア:

[(1, 20451292), (2, 10225646), (4, 5112823), (41, 498812), (82, 249406), (164, 124703)]