20199188842

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1\times {\mathrm{40427}}^1$

素因数の和:40926

約数の個数: 32

約数和(自身を含む): 35104440960

約数和(自身を除く): 14905252118

約数列:

[1, 2, 7, 14, 89, 178, 401, 623, 802, 1246, 2807, 5614, 35689, 40427, 71378, 80854, 249823, 282989, 499646, 565978, 3598003, 7196006, 16211227, 25186021, 32422454, 50372042, 113478589, 226957178, 1442799203, 2885598406, 10099594421, 20199188842]

約数ペア:

[(1, 20199188842), (2, 10099594421), (7, 2885598406), (14, 1442799203), (89, 226957178), (178, 113478589), (401, 50372042), (623, 32422454), (802, 25186021), (1246, 16211227), (2807, 7196006), (5614, 3598003), (35689, 565978), (40427, 499646), (71378, 282989), (80854, 249823)]