20804363996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{2341}}^1$

素因数の和:2575

約数の個数: 96

約数和(自身を含む): 41863718400

約数和(自身を除く): 21059354404

約数列:

[1, 2, 4, 13, 26, 31, 37, 52, 62, 74, 124, 148, 149, 298, 403, 481, 596, 806, 962, 1147, 1612, 1924, 1937, 2294, 2341, 3874, 4588, 4619, 4682, 5513, 7748, 9238, 9364, 11026, 14911, 18476, 22052, 29822, 30433, 59644, 60047, 60866, 71669, 72571, 86617, 120094, 121732, 143338, 145142, 170903, 173234, 240188, 286676, 290284, 341806, 346468, 348809, 683612, 697618, 943423, 1126021, 1395236, 1886846, 2221739, 2252042, 2685127, 3773692, 4443478, 4504084, 4534517, 5370254, 8886956, 9069034, 10740508, 10813079, 12905933, 18138068, 21626158, 25811866, 34906651, 43252316, 51623732, 69813302, 139626604, 140570027, 167777129, 281140054, 335554258, 400083923, 562280108, 671108516, 800167846, 1600335692, 5201090999, 10402181998, 20804363996]

約数ペア:

[(1, 20804363996), (2, 10402181998), (4, 5201090999), (13, 1600335692), (26, 800167846), (31, 671108516), (37, 562280108), (52, 400083923), (62, 335554258), (74, 281140054), (124, 167777129), (148, 140570027), (149, 139626604), (298, 69813302), (403, 51623732), (481, 43252316), (596, 34906651), (806, 25811866), (962, 21626158), (1147, 18138068), (1612, 12905933), (1924, 10813079), (1937, 10740508), (2294, 9069034), (2341, 8886956), (3874, 5370254), (4588, 4534517), (4619, 4504084), (4682, 4443478), (5513, 3773692), (7748, 2685127), (9238, 2252042), (9364, 2221739), (11026, 1886846), (14911, 1395236), (18476, 1126021), (22052, 943423), (29822, 697618), (30433, 683612), (59644, 348809), (60047, 346468), (60866, 341806), (71669, 290284), (72571, 286676), (86617, 240188), (120094, 173234), (121732, 170903), (143338, 145142)]