20458523918

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{19211}}^1$

素因数の和:19353

約数の個数: 64

約数和(自身を含む): 37735441920

約数和(自身を除く): 17276918002

約数列:

[1, 2, 7, 14, 29, 43, 58, 61, 86, 122, 203, 301, 406, 427, 602, 854, 1247, 1769, 2494, 2623, 3538, 5246, 8729, 12383, 17458, 18361, 19211, 24766, 36722, 38422, 76067, 134477, 152134, 268954, 532469, 557119, 826073, 1064938, 1114238, 1171871, 1652146, 2343742, 3899833, 5782511, 7799666, 8203097, 11565022, 16406194, 23956117, 33984259, 47912234, 50390453, 67968518, 100780906, 167692819, 237889813, 335385638, 352733171, 475779626, 705466342, 1461323137, 2922646274, 10229261959, 20458523918]

約数ペア:

[(1, 20458523918), (2, 10229261959), (7, 2922646274), (14, 1461323137), (29, 705466342), (43, 475779626), (58, 352733171), (61, 335385638), (86, 237889813), (122, 167692819), (203, 100780906), (301, 67968518), (406, 50390453), (427, 47912234), (602, 33984259), (854, 23956117), (1247, 16406194), (1769, 11565022), (2494, 8203097), (2623, 7799666), (3538, 5782511), (5246, 3899833), (8729, 2343742), (12383, 1652146), (17458, 1171871), (18361, 1114238), (19211, 1064938), (24766, 826073), (36722, 557119), (38422, 532469), (76067, 268954), (134477, 152134)]