20610720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1$

素因数の和:404

約数の個数: 192

約数和(自身を含む): 77898240

約数和(自身を除く): 57287520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 351, 360, 367, 390, 416, 432, 468, 480, 520, 540, 585, 624, 702, 720, 734, 780, 864, 936, 1040, 1080, 1101, 1170, 1248, 1404, 1440, 1468, 1560, 1755, 1835, 1872, 2080, 2160, 2202, 2340, 2808, 2936, 3120, 3303, 3510, 3670, 3744, 4320, 4404, 4680, 4771, 5505, 5616, 5872, 6240, 6606, 7020, 7340, 8808, 9360, 9542, 9909, 11010, 11232, 11744, 13212, 14040, 14313, 14680, 16515, 17616, 18720, 19084, 19818, 22020, 23855, 26424, 28080, 28626, 29360, 33030, 35232, 38168, 39636, 42939, 44040, 47710, 49545, 52848, 56160, 57252, 58720, 66060, 71565, 76336, 79272, 85878, 88080, 95420, 99090, 105696, 114504, 128817, 132120, 143130, 152672, 158544, 171756, 176160, 190840, 198180, 214695, 229008, 257634, 264240, 286260, 317088, 343512, 381680, 396360, 429390, 458016, 515268, 528480, 572520, 644085, 687024, 763360, 792720, 858780, 1030536, 1145040, 1288170, 1374048, 1585440, 1717560, 2061072, 2290080, 2576340, 3435120, 4122144, 5152680, 6870240, 10305360, 20610720]

約数ペア:

[(1, 20610720), (2, 10305360), (3, 6870240), (4, 5152680), (5, 4122144), (6, 3435120), (8, 2576340), (9, 2290080), (10, 2061072), (12, 1717560), (13, 1585440), (15, 1374048), (16, 1288170), (18, 1145040), (20, 1030536), (24, 858780), (26, 792720), (27, 763360), (30, 687024), (32, 644085), (36, 572520), (39, 528480), (40, 515268), (45, 458016), (48, 429390), (52, 396360), (54, 381680), (60, 343512), (65, 317088), (72, 286260), (78, 264240), (80, 257634), (90, 229008), (96, 214695), (104, 198180), (108, 190840), (117, 176160), (120, 171756), (130, 158544), (135, 152672), (144, 143130), (156, 132120), (160, 128817), (180, 114504), (195, 105696), (208, 99090), (216, 95420), (234, 88080), (240, 85878), (260, 79272), (270, 76336), (288, 71565), (312, 66060), (351, 58720), (360, 57252), (367, 56160), (390, 52848), (416, 49545), (432, 47710), (468, 44040), (480, 42939), (520, 39636), (540, 38168), (585, 35232), (624, 33030), (702, 29360), (720, 28626), (734, 28080), (780, 26424), (864, 23855), (936, 22020), (1040, 19818), (1080, 19084), (1101, 18720), (1170, 17616), (1248, 16515), (1404, 14680), (1440, 14313), (1468, 14040), (1560, 13212), (1755, 11744), (1835, 11232), (1872, 11010), (2080, 9909), (2160, 9542), (2202, 9360), (2340, 8808), (2808, 7340), (2936, 7020), (3120, 6606), (3303, 6240), (3510, 5872), (3670, 5616), (3744, 5505), (4320, 4771), (4404, 4680)]