20344660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5011}}^1$

素因数の和:5056

約数の個数: 48

約数和(自身を含む): 50520960

約数和(自身を除く): 30176300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 5011, 10022, 20044, 25055, 35077, 50110, 70154, 100220, 140308, 145319, 175385, 290638, 350770, 581276, 701540, 726595, 1017233, 1453190, 2034466, 2906380, 4068932, 5086165, 10172330, 20344660]

約数ペア:

[(1, 20344660), (2, 10172330), (4, 5086165), (5, 4068932), (7, 2906380), (10, 2034466), (14, 1453190), (20, 1017233), (28, 726595), (29, 701540), (35, 581276), (58, 350770), (70, 290638), (116, 175385), (140, 145319), (145, 140308), (203, 100220), (290, 70154), (406, 50110), (580, 35077), (812, 25055), (1015, 20044), (2030, 10022), (4060, 5011)]