20173856906

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1549}}^1\times {\mathrm{19793}}^1$

素因数の和:21398

約数の個数: 32

約数和(自身を含む): 35344166400

約数和(自身を除く): 15170309494

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 1549, 3098, 10843, 19793, 21686, 39586, 72803, 138551, 145606, 277102, 509621, 930271, 1019242, 1860542, 6511897, 13023794, 30659357, 61318714, 214615499, 429230998, 1440989779, 2881979558, 10086928453, 20173856906]

約数ペア:

[(1, 20173856906), (2, 10086928453), (7, 2881979558), (14, 1440989779), (47, 429230998), (94, 214615499), (329, 61318714), (658, 30659357), (1549, 13023794), (3098, 6511897), (10843, 1860542), (19793, 1019242), (21686, 930271), (39586, 509621), (72803, 277102), (138551, 145606)]