20631600

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{521}}^1$

素因数の和:556

約数の個数: 180

約数和(自身を含む): 78256152

約数和(自身を除く): 57624552

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 48, 50, 55, 60, 66, 72, 75, 80, 88, 90, 99, 100, 110, 120, 132, 144, 150, 165, 176, 180, 198, 200, 220, 225, 240, 264, 275, 300, 330, 360, 396, 400, 440, 450, 495, 521, 528, 550, 600, 660, 720, 792, 825, 880, 900, 990, 1042, 1100, 1200, 1320, 1563, 1584, 1650, 1800, 1980, 2084, 2200, 2475, 2605, 2640, 3126, 3300, 3600, 3960, 4168, 4400, 4689, 4950, 5210, 5731, 6252, 6600, 7815, 7920, 8336, 9378, 9900, 10420, 11462, 12504, 13025, 13200, 15630, 17193, 18756, 19800, 20840, 22924, 23445, 25008, 26050, 28655, 31260, 34386, 37512, 39075, 39600, 41680, 45848, 46890, 51579, 52100, 57310, 62520, 68772, 75024, 78150, 85965, 91696, 93780, 103158, 104200, 114620, 117225, 125040, 137544, 143275, 156300, 171930, 187560, 206316, 208400, 229240, 234450, 257895, 275088, 286550, 312600, 343860, 375120, 412632, 429825, 458480, 468900, 515790, 573100, 625200, 687720, 825264, 859650, 937800, 1031580, 1146200, 1289475, 1375440, 1719300, 1875600, 2063160, 2292400, 2578950, 3438600, 4126320, 5157900, 6877200, 10315800, 20631600]

約数ペア:

[(1, 20631600), (2, 10315800), (3, 6877200), (4, 5157900), (5, 4126320), (6, 3438600), (8, 2578950), (9, 2292400), (10, 2063160), (11, 1875600), (12, 1719300), (15, 1375440), (16, 1289475), (18, 1146200), (20, 1031580), (22, 937800), (24, 859650), (25, 825264), (30, 687720), (33, 625200), (36, 573100), (40, 515790), (44, 468900), (45, 458480), (48, 429825), (50, 412632), (55, 375120), (60, 343860), (66, 312600), (72, 286550), (75, 275088), (80, 257895), (88, 234450), (90, 229240), (99, 208400), (100, 206316), (110, 187560), (120, 171930), (132, 156300), (144, 143275), (150, 137544), (165, 125040), (176, 117225), (180, 114620), (198, 104200), (200, 103158), (220, 93780), (225, 91696), (240, 85965), (264, 78150), (275, 75024), (300, 68772), (330, 62520), (360, 57310), (396, 52100), (400, 51579), (440, 46890), (450, 45848), (495, 41680), (521, 39600), (528, 39075), (550, 37512), (600, 34386), (660, 31260), (720, 28655), (792, 26050), (825, 25008), (880, 23445), (900, 22924), (990, 20840), (1042, 19800), (1100, 18756), (1200, 17193), (1320, 15630), (1563, 13200), (1584, 13025), (1650, 12504), (1800, 11462), (1980, 10420), (2084, 9900), (2200, 9378), (2475, 8336), (2605, 7920), (2640, 7815), (3126, 6600), (3300, 6252), (3600, 5731), (3960, 5210), (4168, 4950), (4400, 4689)]