20249520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{607}}^1$

素因数の和:762

約数の個数: 80

約数和(自身を含む): 63329280

約数和(自身を除く): 43079760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 556, 607, 695, 834, 1112, 1214, 1390, 1668, 1821, 2085, 2224, 2428, 2780, 3035, 3336, 3642, 4170, 4856, 5560, 6070, 6672, 7284, 8340, 9105, 9712, 11120, 12140, 14568, 16680, 18210, 24280, 29136, 33360, 36420, 48560, 72840, 84373, 145680, 168746, 253119, 337492, 421865, 506238, 674984, 843730, 1012476, 1265595, 1349968, 1687460, 2024952, 2531190, 3374920, 4049904, 5062380, 6749840, 10124760, 20249520]

約数ペア:

[(1, 20249520), (2, 10124760), (3, 6749840), (4, 5062380), (5, 4049904), (6, 3374920), (8, 2531190), (10, 2024952), (12, 1687460), (15, 1349968), (16, 1265595), (20, 1012476), (24, 843730), (30, 674984), (40, 506238), (48, 421865), (60, 337492), (80, 253119), (120, 168746), (139, 145680), (240, 84373), (278, 72840), (417, 48560), (556, 36420), (607, 33360), (695, 29136), (834, 24280), (1112, 18210), (1214, 16680), (1390, 14568), (1668, 12140), (1821, 11120), (2085, 9712), (2224, 9105), (2428, 8340), (2780, 7284), (3035, 6672), (3336, 6070), (3642, 5560), (4170, 4856)]