20538494

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{977}}^1$

素因数の和:1459

約数の個数: 16

約数和(自身を含む): 32250528

約数和(自身を除く): 11712034

約数列:

[1, 2, 23, 46, 457, 914, 977, 1954, 10511, 21022, 22471, 44942, 446489, 892978, 10269247, 20538494]

約数ペア:

[(1, 20538494), (2, 10269247), (23, 892978), (46, 446489), (457, 44942), (914, 22471), (977, 21022), (1954, 10511)]