20191155845

素因数分解:

$5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{977}}^1\times {\mathrm{1259}}^1$

素因数の和:2322

約数の個数: 48

約数和(自身を含む): 28657903680

約数和(自身を除く): 8466747835

約数列:

[1, 5, 7, 35, 49, 67, 245, 335, 469, 977, 1259, 2345, 3283, 4885, 6295, 6839, 8813, 16415, 34195, 44065, 47873, 61691, 65459, 84353, 239365, 308455, 327295, 421765, 458213, 590471, 1230043, 2291065, 2952355, 3207491, 4133297, 6150215, 8610301, 16037455, 20666485, 43051505, 60272107, 82412881, 301360535, 412064405, 576890167, 2884450835, 4038231169, 20191155845]

約数ペア:

[(1, 20191155845), (5, 4038231169), (7, 2884450835), (35, 576890167), (49, 412064405), (67, 301360535), (245, 82412881), (335, 60272107), (469, 43051505), (977, 20666485), (1259, 16037455), (2345, 8610301), (3283, 6150215), (4885, 4133297), (6295, 3207491), (6839, 2952355), (8813, 2291065), (16415, 1230043), (34195, 590471), (44065, 458213), (47873, 421765), (61691, 327295), (65459, 308455), (84353, 239365)]