20445089

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1327}}^1$

素因数の和:1436

約数の個数: 16

約数和(自身を含む): 24477696

約数和(自身を除く): 4032607

約数列:

[1, 7, 31, 71, 217, 497, 1327, 2201, 9289, 15407, 41137, 94217, 287959, 659519, 2920727, 20445089]

約数ペア:

[(1, 20445089), (7, 2920727), (31, 659519), (71, 287959), (217, 94217), (497, 41137), (1327, 15407), (2201, 9289)]