20511331380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37983947}}^1$

素因数の和:37983965

約数の個数: 48

約数和(自身を含む): 63813032640

約数和(自身を除く): 43301701260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37983947, 75967894, 113951841, 151935788, 189919735, 227903682, 341855523, 379839470, 455807364, 569759205, 683711046, 759678940, 1025566569, 1139518410, 1367422092, 1709277615, 2051133138, 2279036820, 3418555230, 4102266276, 5127832845, 6837110460, 10255665690, 20511331380]

約数ペア:

[(1, 20511331380), (2, 10255665690), (3, 6837110460), (4, 5127832845), (5, 4102266276), (6, 3418555230), (9, 2279036820), (10, 2051133138), (12, 1709277615), (15, 1367422092), (18, 1139518410), (20, 1025566569), (27, 759678940), (30, 683711046), (36, 569759205), (45, 455807364), (54, 379839470), (60, 341855523), (90, 227903682), (108, 189919735), (135, 151935788), (180, 113951841), (270, 75967894), (540, 37983947)]