20139472997

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{3061}}^1$

素因数の和:3322

約数の個数: 48

約数和(自身を含む): 25468001280

約数和(自身を除く): 5328528283

約数列:

[1, 7, 19, 37, 49, 133, 191, 259, 703, 931, 1337, 1813, 3061, 3629, 4921, 7067, 9359, 21427, 25403, 34447, 49469, 58159, 113257, 134273, 149989, 177821, 346283, 407113, 584651, 792799, 939911, 2151883, 2849791, 4092557, 5549593, 6579377, 11108369, 15063181, 21632087, 28647899, 77758583, 105442267, 151424609, 411009653, 544310081, 1059972263, 2877067571, 20139472997]

約数ペア:

[(1, 20139472997), (7, 2877067571), (19, 1059972263), (37, 544310081), (49, 411009653), (133, 151424609), (191, 105442267), (259, 77758583), (703, 28647899), (931, 21632087), (1337, 15063181), (1813, 11108369), (3061, 6579377), (3629, 5549593), (4921, 4092557), (7067, 2849791), (9359, 2151883), (21427, 939911), (25403, 792799), (34447, 584651), (49469, 407113), (58159, 346283), (113257, 177821), (134273, 149989)]