20373120

素因数分解:

$2^7\times 3^5\times 5^1\times {\mathrm{131}}^1$

素因数の和:165

約数の個数: 192

約数和(自身を含む): 73513440

約数和(自身を除く): 53140320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 131, 135, 144, 160, 162, 180, 192, 216, 240, 243, 262, 270, 288, 320, 324, 360, 384, 393, 405, 432, 480, 486, 524, 540, 576, 640, 648, 655, 720, 786, 810, 864, 960, 972, 1048, 1080, 1152, 1179, 1215, 1296, 1310, 1440, 1572, 1620, 1728, 1920, 1944, 1965, 2096, 2160, 2358, 2430, 2592, 2620, 2880, 3144, 3240, 3456, 3537, 3888, 3930, 4192, 4320, 4716, 4860, 5184, 5240, 5760, 5895, 6288, 6480, 7074, 7776, 7860, 8384, 8640, 9432, 9720, 10368, 10480, 10611, 11790, 12576, 12960, 14148, 15552, 15720, 16768, 17280, 17685, 18864, 19440, 20960, 21222, 23580, 25152, 25920, 28296, 31104, 31440, 31833, 35370, 37728, 38880, 41920, 42444, 47160, 50304, 51840, 53055, 56592, 62880, 63666, 70740, 75456, 77760, 83840, 84888, 94320, 106110, 113184, 125760, 127332, 141480, 150912, 155520, 159165, 169776, 188640, 212220, 226368, 251520, 254664, 282960, 318330, 339552, 377280, 424440, 452736, 509328, 565920, 636660, 679104, 754560, 848880, 1018656, 1131840, 1273320, 1358208, 1697760, 2037312, 2263680, 2546640, 3395520, 4074624, 5093280, 6791040, 10186560, 20373120]

約数ペア:

[(1, 20373120), (2, 10186560), (3, 6791040), (4, 5093280), (5, 4074624), (6, 3395520), (8, 2546640), (9, 2263680), (10, 2037312), (12, 1697760), (15, 1358208), (16, 1273320), (18, 1131840), (20, 1018656), (24, 848880), (27, 754560), (30, 679104), (32, 636660), (36, 565920), (40, 509328), (45, 452736), (48, 424440), (54, 377280), (60, 339552), (64, 318330), (72, 282960), (80, 254664), (81, 251520), (90, 226368), (96, 212220), (108, 188640), (120, 169776), (128, 159165), (131, 155520), (135, 150912), (144, 141480), (160, 127332), (162, 125760), (180, 113184), (192, 106110), (216, 94320), (240, 84888), (243, 83840), (262, 77760), (270, 75456), (288, 70740), (320, 63666), (324, 62880), (360, 56592), (384, 53055), (393, 51840), (405, 50304), (432, 47160), (480, 42444), (486, 41920), (524, 38880), (540, 37728), (576, 35370), (640, 31833), (648, 31440), (655, 31104), (720, 28296), (786, 25920), (810, 25152), (864, 23580), (960, 21222), (972, 20960), (1048, 19440), (1080, 18864), (1152, 17685), (1179, 17280), (1215, 16768), (1296, 15720), (1310, 15552), (1440, 14148), (1572, 12960), (1620, 12576), (1728, 11790), (1920, 10611), (1944, 10480), (1965, 10368), (2096, 9720), (2160, 9432), (2358, 8640), (2430, 8384), (2592, 7860), (2620, 7776), (2880, 7074), (3144, 6480), (3240, 6288), (3456, 5895), (3537, 5760), (3888, 5240), (3930, 5184), (4192, 4860), (4320, 4716)]