20829600

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1$

素因数の和:300

約数の個数: 216

約数和(自身を含む): 80432352

約数和(自身を除く): 59602752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 30, 32, 33, 36, 40, 44, 45, 48, 50, 55, 60, 66, 72, 75, 80, 88, 90, 96, 99, 100, 110, 120, 132, 144, 150, 160, 165, 176, 180, 198, 200, 220, 225, 240, 263, 264, 275, 288, 300, 330, 352, 360, 396, 400, 440, 450, 480, 495, 526, 528, 550, 600, 660, 720, 789, 792, 800, 825, 880, 900, 990, 1052, 1056, 1100, 1200, 1315, 1320, 1440, 1578, 1584, 1650, 1760, 1800, 1980, 2104, 2200, 2367, 2400, 2475, 2630, 2640, 2893, 3156, 3168, 3300, 3600, 3945, 3960, 4208, 4400, 4734, 4950, 5260, 5280, 5786, 6312, 6575, 6600, 7200, 7890, 7920, 8416, 8679, 8800, 9468, 9900, 10520, 11572, 11835, 12624, 13150, 13200, 14465, 15780, 15840, 17358, 18936, 19725, 19800, 21040, 23144, 23670, 25248, 26037, 26300, 26400, 28930, 31560, 34716, 37872, 39450, 39600, 42080, 43395, 46288, 47340, 52074, 52600, 57860, 59175, 63120, 69432, 72325, 75744, 78900, 79200, 86790, 92576, 94680, 104148, 105200, 115720, 118350, 126240, 130185, 138864, 144650, 157800, 173580, 189360, 208296, 210400, 216975, 231440, 236700, 260370, 277728, 289300, 315600, 347160, 378720, 416592, 433950, 462880, 473400, 520740, 578600, 631200, 650925, 694320, 833184, 867900, 946800, 1041480, 1157200, 1301850, 1388640, 1735800, 1893600, 2082960, 2314400, 2603700, 3471600, 4165920, 5207400, 6943200, 10414800, 20829600]

約数ペア:

[(1, 20829600), (2, 10414800), (3, 6943200), (4, 5207400), (5, 4165920), (6, 3471600), (8, 2603700), (9, 2314400), (10, 2082960), (11, 1893600), (12, 1735800), (15, 1388640), (16, 1301850), (18, 1157200), (20, 1041480), (22, 946800), (24, 867900), (25, 833184), (30, 694320), (32, 650925), (33, 631200), (36, 578600), (40, 520740), (44, 473400), (45, 462880), (48, 433950), (50, 416592), (55, 378720), (60, 347160), (66, 315600), (72, 289300), (75, 277728), (80, 260370), (88, 236700), (90, 231440), (96, 216975), (99, 210400), (100, 208296), (110, 189360), (120, 173580), (132, 157800), (144, 144650), (150, 138864), (160, 130185), (165, 126240), (176, 118350), (180, 115720), (198, 105200), (200, 104148), (220, 94680), (225, 92576), (240, 86790), (263, 79200), (264, 78900), (275, 75744), (288, 72325), (300, 69432), (330, 63120), (352, 59175), (360, 57860), (396, 52600), (400, 52074), (440, 47340), (450, 46288), (480, 43395), (495, 42080), (526, 39600), (528, 39450), (550, 37872), (600, 34716), (660, 31560), (720, 28930), (789, 26400), (792, 26300), (800, 26037), (825, 25248), (880, 23670), (900, 23144), (990, 21040), (1052, 19800), (1056, 19725), (1100, 18936), (1200, 17358), (1315, 15840), (1320, 15780), (1440, 14465), (1578, 13200), (1584, 13150), (1650, 12624), (1760, 11835), (1800, 11572), (1980, 10520), (2104, 9900), (2200, 9468), (2367, 8800), (2400, 8679), (2475, 8416), (2630, 7920), (2640, 7890), (2893, 7200), (3156, 6600), (3168, 6575), (3300, 6312), (3600, 5786), (3945, 5280), (3960, 5260), (4208, 4950), (4400, 4734)]