20087634321

素因数分解:

$3^2\times {\mathrm{443}}^1\times {\mathrm{743}}^1\times {\mathrm{6781}}^1$

素因数の和:7973

約数の個数: 24

約数和(自身を含む): 29124403776

約数和(自身を除く): 9036769455

約数列:

[1, 3, 9, 443, 743, 1329, 2229, 3987, 6687, 6781, 20343, 61029, 329149, 987447, 2962341, 3003983, 5038283, 9011949, 15114849, 27035847, 45344547, 2231959369, 6695878107, 20087634321]

約数ペア:

[(1, 20087634321), (3, 6695878107), (9, 2231959369), (443, 45344547), (743, 27035847), (1329, 15114849), (2229, 9011949), (3987, 5038283), (6687, 3003983), (6781, 2962341), (20343, 987447), (61029, 329149)]