20512456920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56979047}}^1$

素因数の和:56979064

約数の個数: 48

約数和(自身を含む): 66665486160

約数和(自身を除く): 46153029240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56979047, 113958094, 170937141, 227916188, 284895235, 341874282, 455832376, 512811423, 569790470, 683748564, 854685705, 1025622846, 1139580940, 1367497128, 1709371410, 2051245692, 2279161880, 2564057115, 3418742820, 4102491384, 5128114230, 6837485640, 10256228460, 20512456920]

約数ペア:

[(1, 20512456920), (2, 10256228460), (3, 6837485640), (4, 5128114230), (5, 4102491384), (6, 3418742820), (8, 2564057115), (9, 2279161880), (10, 2051245692), (12, 1709371410), (15, 1367497128), (18, 1139580940), (20, 1025622846), (24, 854685705), (30, 683748564), (36, 569790470), (40, 512811423), (45, 455832376), (60, 341874282), (72, 284895235), (90, 227916188), (120, 170937141), (180, 113958094), (360, 56979047)]