69684016

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{20641}}^1$

素因数の和:20860

約数の個数: 20

約数和(自身を含む): 135659224

約数和(自身を除く): 65975208

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 20641, 41282, 82564, 165128, 330256, 4355251, 8710502, 17421004, 34842008, 69684016]

約数ペア:

[(1, 69684016), (2, 34842008), (4, 17421004), (8, 8710502), (16, 4355251), (211, 330256), (422, 165128), (844, 82564), (1688, 41282), (3376, 20641)]