20733916

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23887}}^1$

素因数の和:23929

約数の個数: 24

約数和(自身を含む): 42807296

約数和(自身を除く): 22073380

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23887, 47774, 95548, 167209, 334418, 668836, 740497, 1480994, 2961988, 5183479, 10366958, 20733916]

約数ペア:

[(1, 20733916), (2, 10366958), (4, 5183479), (7, 2961988), (14, 1480994), (28, 740497), (31, 668836), (62, 334418), (124, 167209), (217, 95548), (434, 47774), (868, 23887)]