20137649980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{40507}}^1$

素因数の和:40643

約数の個数: 96

約数和(自身を含む): 49978446336

約数和(自身を除く): 29840796356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 67, 70, 106, 134, 140, 212, 265, 268, 335, 371, 469, 530, 670, 742, 938, 1060, 1340, 1484, 1855, 1876, 2345, 3551, 3710, 4690, 7102, 7420, 9380, 14204, 17755, 24857, 35510, 40507, 49714, 71020, 81014, 99428, 124285, 162028, 202535, 248570, 283549, 405070, 497140, 567098, 810140, 1134196, 1417745, 2146871, 2713969, 2835490, 4293742, 5427938, 5670980, 8587484, 10734355, 10855876, 13569845, 15028097, 18997783, 21468710, 27139690, 30056194, 37995566, 42937420, 54279380, 60112388, 75140485, 75991132, 94988915, 143840357, 150280970, 189977830, 287680714, 300561940, 379955660, 575361428, 719201785, 1006882499, 1438403570, 2013764998, 2876807140, 4027529996, 5034412495, 10068824990, 20137649980]

約数ペア:

[(1, 20137649980), (2, 10068824990), (4, 5034412495), (5, 4027529996), (7, 2876807140), (10, 2013764998), (14, 1438403570), (20, 1006882499), (28, 719201785), (35, 575361428), (53, 379955660), (67, 300561940), (70, 287680714), (106, 189977830), (134, 150280970), (140, 143840357), (212, 94988915), (265, 75991132), (268, 75140485), (335, 60112388), (371, 54279380), (469, 42937420), (530, 37995566), (670, 30056194), (742, 27139690), (938, 21468710), (1060, 18997783), (1340, 15028097), (1484, 13569845), (1855, 10855876), (1876, 10734355), (2345, 8587484), (3551, 5670980), (3710, 5427938), (4690, 4293742), (7102, 2835490), (7420, 2713969), (9380, 2146871), (14204, 1417745), (17755, 1134196), (24857, 810140), (35510, 567098), (40507, 497140), (49714, 405070), (71020, 283549), (81014, 248570), (99428, 202535), (124285, 162028)]