20715728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{117703}}^1$

素因数の和:117722

約数の個数: 20

約数和(自身を含む): 43785888

約数和(自身を除く): 23070160

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 117703, 235406, 470812, 941624, 1294733, 1883248, 2589466, 5178932, 10357864, 20715728]

約数ペア:

[(1, 20715728), (2, 10357864), (4, 5178932), (8, 2589466), (11, 1883248), (16, 1294733), (22, 941624), (44, 470812), (88, 235406), (176, 117703)]