20178334211

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{307}}^1\times {\mathrm{25309}}^1$

素因数の和:25683

約数の個数: 24

約数和(自身を含む): 23994487440

約数和(自身を除く): 3816153229

約数列:

[1, 7, 49, 53, 307, 371, 2149, 2597, 15043, 16271, 25309, 113897, 177163, 797279, 1240141, 1341377, 7769863, 9389639, 54389041, 65727473, 380723287, 411802739, 2882619173, 20178334211]

約数ペア:

[(1, 20178334211), (7, 2882619173), (49, 411802739), (53, 380723287), (307, 65727473), (371, 54389041), (2149, 9389639), (2597, 7769863), (15043, 1341377), (16271, 1240141), (25309, 797279), (113897, 177163)]