20828578860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{115714327}}^1$

素因数の和:115714342

約数の個数: 36

約数和(自身を含む): 63180023088

約数和(自身を除く): 42351444228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 115714327, 231428654, 347142981, 462857308, 578571635, 694285962, 1041428943, 1157143270, 1388571924, 1735714905, 2082857886, 2314286540, 3471429810, 4165715772, 5207144715, 6942859620, 10414289430, 20828578860]

約数ペア:

[(1, 20828578860), (2, 10414289430), (3, 6942859620), (4, 5207144715), (5, 4165715772), (6, 3471429810), (9, 2314286540), (10, 2082857886), (12, 1735714905), (15, 1388571924), (18, 1157143270), (20, 1041428943), (30, 694285962), (36, 578571635), (45, 462857308), (60, 347142981), (90, 231428654), (180, 115714327)]