20093080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71761}}^1$

素因数の和:71779

約数の個数: 32

約数和(自身を含む): 51668640

約数和(自身を除く): 31575560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71761, 143522, 287044, 358805, 502327, 574088, 717610, 1004654, 1435220, 2009308, 2511635, 2870440, 4018616, 5023270, 10046540, 20093080]

約数ペア:

[(1, 20093080), (2, 10046540), (4, 5023270), (5, 4018616), (7, 2870440), (8, 2511635), (10, 2009308), (14, 1435220), (20, 1004654), (28, 717610), (35, 574088), (40, 502327), (56, 358805), (70, 287044), (140, 143522), (280, 71761)]