20199466

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{3889}}^1$

素因数の和:3958

約数の個数: 24

約数和(自身を含む): 35920260

約数和(自身を除く): 15720794

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 371, 742, 2597, 3889, 5194, 7778, 27223, 54446, 190561, 206117, 381122, 412234, 1442819, 2885638, 10099733, 20199466]

約数ペア:

[(1, 20199466), (2, 10099733), (7, 2885638), (14, 1442819), (49, 412234), (53, 381122), (98, 206117), (106, 190561), (371, 54446), (742, 27223), (2597, 7778), (3889, 5194)]