20804704

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{9157}}^1$

素因数の和:9238

約数の個数: 24

約数和(自身を含む): 41540688

約数和(自身を除く): 20735984

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 9157, 18314, 36628, 73256, 146512, 293024, 650147, 1300294, 2600588, 5201176, 10402352, 20804704]

約数ペア:

[(1, 20804704), (2, 10402352), (4, 5201176), (8, 2600588), (16, 1300294), (32, 650147), (71, 293024), (142, 146512), (284, 73256), (568, 36628), (1136, 18314), (2272, 9157)]