20457600

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{2131}}^1$

素因数の和:2158

約数の個数: 96

約数和(自身を含む): 67413840

約数和(自身を除く): 46956240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 300, 320, 384, 400, 480, 600, 640, 800, 960, 1200, 1600, 1920, 2131, 2400, 3200, 4262, 4800, 6393, 8524, 9600, 10655, 12786, 17048, 21310, 25572, 31965, 34096, 42620, 51144, 53275, 63930, 68192, 85240, 102288, 106550, 127860, 136384, 159825, 170480, 204576, 213100, 255720, 272768, 319650, 340960, 409152, 426200, 511440, 639300, 681920, 818304, 852400, 1022880, 1278600, 1363840, 1704800, 2045760, 2557200, 3409600, 4091520, 5114400, 6819200, 10228800, 20457600]

約数ペア:

[(1, 20457600), (2, 10228800), (3, 6819200), (4, 5114400), (5, 4091520), (6, 3409600), (8, 2557200), (10, 2045760), (12, 1704800), (15, 1363840), (16, 1278600), (20, 1022880), (24, 852400), (25, 818304), (30, 681920), (32, 639300), (40, 511440), (48, 426200), (50, 409152), (60, 340960), (64, 319650), (75, 272768), (80, 255720), (96, 213100), (100, 204576), (120, 170480), (128, 159825), (150, 136384), (160, 127860), (192, 106550), (200, 102288), (240, 85240), (300, 68192), (320, 63930), (384, 53275), (400, 51144), (480, 42620), (600, 34096), (640, 31965), (800, 25572), (960, 21310), (1200, 17048), (1600, 12786), (1920, 10655), (2131, 9600), (2400, 8524), (3200, 6393), (4262, 4800)]