20856464

素因数分解:

$2^4\times {\mathrm{359}}^1\times {\mathrm{3631}}^1$

素因数の和:3998

約数の個数: 20

約数和(自身を含む): 40533120

約数和(自身を除く): 19676656

約数列:

[1, 2, 4, 8, 16, 359, 718, 1436, 2872, 3631, 5744, 7262, 14524, 29048, 58096, 1303529, 2607058, 5214116, 10428232, 20856464]

約数ペア:

[(1, 20856464), (2, 10428232), (4, 5214116), (8, 2607058), (16, 1303529), (359, 58096), (718, 29048), (1436, 14524), (2872, 7262), (3631, 5744)]