20299680

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:188

約数の個数: 192

約数和(自身を含む): 73543680

約数和(自身を除く): 53244000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 96, 108, 111, 120, 127, 135, 144, 148, 160, 180, 185, 216, 222, 240, 254, 270, 288, 296, 333, 360, 370, 381, 432, 444, 480, 508, 540, 555, 592, 635, 666, 720, 740, 762, 864, 888, 999, 1016, 1080, 1110, 1143, 1184, 1270, 1332, 1440, 1480, 1524, 1665, 1776, 1905, 1998, 2032, 2160, 2220, 2286, 2540, 2664, 2960, 3048, 3330, 3429, 3552, 3810, 3996, 4064, 4320, 4440, 4572, 4699, 4995, 5080, 5328, 5715, 5920, 6096, 6660, 6858, 7620, 7992, 8880, 9144, 9398, 9990, 10160, 10656, 11430, 12192, 13320, 13716, 14097, 15240, 15984, 17145, 17760, 18288, 18796, 19980, 20320, 22860, 23495, 26640, 27432, 28194, 30480, 31968, 34290, 36576, 37592, 39960, 42291, 45720, 46990, 53280, 54864, 56388, 60960, 68580, 70485, 75184, 79920, 84582, 91440, 93980, 109728, 112776, 126873, 137160, 140970, 150368, 159840, 169164, 182880, 187960, 211455, 225552, 253746, 274320, 281940, 338328, 375920, 422910, 451104, 507492, 548640, 563880, 634365, 676656, 751840, 845820, 1014984, 1127760, 1268730, 1353312, 1691640, 2029968, 2255520, 2537460, 3383280, 4059936, 5074920, 6766560, 10149840, 20299680]

約数ペア:

[(1, 20299680), (2, 10149840), (3, 6766560), (4, 5074920), (5, 4059936), (6, 3383280), (8, 2537460), (9, 2255520), (10, 2029968), (12, 1691640), (15, 1353312), (16, 1268730), (18, 1127760), (20, 1014984), (24, 845820), (27, 751840), (30, 676656), (32, 634365), (36, 563880), (37, 548640), (40, 507492), (45, 451104), (48, 422910), (54, 375920), (60, 338328), (72, 281940), (74, 274320), (80, 253746), (90, 225552), (96, 211455), (108, 187960), (111, 182880), (120, 169164), (127, 159840), (135, 150368), (144, 140970), (148, 137160), (160, 126873), (180, 112776), (185, 109728), (216, 93980), (222, 91440), (240, 84582), (254, 79920), (270, 75184), (288, 70485), (296, 68580), (333, 60960), (360, 56388), (370, 54864), (381, 53280), (432, 46990), (444, 45720), (480, 42291), (508, 39960), (540, 37592), (555, 36576), (592, 34290), (635, 31968), (666, 30480), (720, 28194), (740, 27432), (762, 26640), (864, 23495), (888, 22860), (999, 20320), (1016, 19980), (1080, 18796), (1110, 18288), (1143, 17760), (1184, 17145), (1270, 15984), (1332, 15240), (1440, 14097), (1480, 13716), (1524, 13320), (1665, 12192), (1776, 11430), (1905, 10656), (1998, 10160), (2032, 9990), (2160, 9398), (2220, 9144), (2286, 8880), (2540, 7992), (2664, 7620), (2960, 6858), (3048, 6660), (3330, 6096), (3429, 5920), (3552, 5715), (3810, 5328), (3996, 5080), (4064, 4995), (4320, 4699), (4440, 4572)]