20943360

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{101}}^1$

素因数の和:136

約数の個数: 200

約数和(自身を含む): 75755196

約数和(自身を除く): 54811836

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, 101, 108, 120, 128, 135, 144, 160, 162, 180, 192, 202, 216, 240, 256, 270, 288, 303, 320, 324, 360, 384, 404, 405, 432, 480, 505, 512, 540, 576, 606, 640, 648, 720, 768, 808, 810, 864, 909, 960, 1010, 1080, 1152, 1212, 1280, 1296, 1440, 1515, 1536, 1616, 1620, 1728, 1818, 1920, 2020, 2160, 2304, 2424, 2560, 2592, 2727, 2880, 3030, 3232, 3240, 3456, 3636, 3840, 4040, 4320, 4545, 4608, 4848, 5184, 5454, 5760, 6060, 6464, 6480, 6912, 7272, 7680, 8080, 8181, 8640, 9090, 9696, 10368, 10908, 11520, 12120, 12928, 12960, 13635, 13824, 14544, 16160, 16362, 17280, 18180, 19392, 20736, 21816, 23040, 24240, 25856, 25920, 27270, 29088, 32320, 32724, 34560, 36360, 38784, 40905, 41472, 43632, 48480, 51712, 51840, 54540, 58176, 64640, 65448, 69120, 72720, 77568, 81810, 87264, 96960, 103680, 109080, 116352, 129280, 130896, 145440, 155136, 163620, 174528, 193920, 207360, 218160, 232704, 258560, 261792, 290880, 327240, 349056, 387840, 436320, 465408, 523584, 581760, 654480, 698112, 775680, 872640, 1047168, 1163520, 1308960, 1396224, 1745280, 2094336, 2327040, 2617920, 3490560, 4188672, 5235840, 6981120, 10471680, 20943360]

約数ペア:

[(1, 20943360), (2, 10471680), (3, 6981120), (4, 5235840), (5, 4188672), (6, 3490560), (8, 2617920), (9, 2327040), (10, 2094336), (12, 1745280), (15, 1396224), (16, 1308960), (18, 1163520), (20, 1047168), (24, 872640), (27, 775680), (30, 698112), (32, 654480), (36, 581760), (40, 523584), (45, 465408), (48, 436320), (54, 387840), (60, 349056), (64, 327240), (72, 290880), (80, 261792), (81, 258560), (90, 232704), (96, 218160), (101, 207360), (108, 193920), (120, 174528), (128, 163620), (135, 155136), (144, 145440), (160, 130896), (162, 129280), (180, 116352), (192, 109080), (202, 103680), (216, 96960), (240, 87264), (256, 81810), (270, 77568), (288, 72720), (303, 69120), (320, 65448), (324, 64640), (360, 58176), (384, 54540), (404, 51840), (405, 51712), (432, 48480), (480, 43632), (505, 41472), (512, 40905), (540, 38784), (576, 36360), (606, 34560), (640, 32724), (648, 32320), (720, 29088), (768, 27270), (808, 25920), (810, 25856), (864, 24240), (909, 23040), (960, 21816), (1010, 20736), (1080, 19392), (1152, 18180), (1212, 17280), (1280, 16362), (1296, 16160), (1440, 14544), (1515, 13824), (1536, 13635), (1616, 12960), (1620, 12928), (1728, 12120), (1818, 11520), (1920, 10908), (2020, 10368), (2160, 9696), (2304, 9090), (2424, 8640), (2560, 8181), (2592, 8080), (2727, 7680), (2880, 7272), (3030, 6912), (3232, 6480), (3240, 6464), (3456, 6060), (3636, 5760), (3840, 5454), (4040, 5184), (4320, 4848), (4545, 4608)]