20836738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15121}}^1$

素因数の和:15189

約数の個数: 16

約数和(自身を含む): 34296696

約数和(自身を除く): 13459958

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 15121, 30242, 196573, 393146, 801413, 1602826, 10418369, 20836738]

約数ペア:

[(1, 20836738), (2, 10418369), (13, 1602826), (26, 801413), (53, 393146), (106, 196573), (689, 30242), (1378, 15121)]