20808220172

素因数分解:

$2^2\times {\mathrm{727}}^1\times {\mathrm{7155509}}^1$

素因数の和:7156240

約数の個数: 12

約数和(自身を含む): 36464478960

約数和(自身を除く): 15656258788

約数列:

[1, 2, 4, 727, 1454, 2908, 7155509, 14311018, 28622036, 5202055043, 10404110086, 20808220172]

約数ペア:

[(1, 20808220172), (2, 10404110086), (4, 5202055043), (727, 28622036), (1454, 14311018), (2908, 7155509)]