20255040

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1$

素因数の和:577

約数の個数: 168

約数和(自身を含む): 75166728

約数和(自身を除く): 54911688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 390, 416, 468, 480, 520, 541, 576, 585, 624, 720, 780, 832, 936, 960, 1040, 1082, 1170, 1248, 1440, 1560, 1623, 1872, 2080, 2164, 2340, 2496, 2705, 2880, 3120, 3246, 3744, 4160, 4328, 4680, 4869, 5410, 6240, 6492, 7033, 7488, 8115, 8656, 9360, 9738, 10820, 12480, 12984, 14066, 16230, 17312, 18720, 19476, 21099, 21640, 24345, 25968, 28132, 32460, 34624, 35165, 37440, 38952, 42198, 43280, 48690, 51936, 56264, 63297, 64920, 70330, 77904, 84396, 86560, 97380, 103872, 105495, 112528, 126594, 129840, 140660, 155808, 168792, 173120, 194760, 210990, 225056, 253188, 259680, 281320, 311616, 316485, 337584, 389520, 421980, 450112, 506376, 519360, 562640, 632970, 675168, 779040, 843960, 1012752, 1125280, 1265940, 1350336, 1558080, 1687920, 2025504, 2250560, 2531880, 3375840, 4051008, 5063760, 6751680, 10127520, 20255040]

約数ペア:

[(1, 20255040), (2, 10127520), (3, 6751680), (4, 5063760), (5, 4051008), (6, 3375840), (8, 2531880), (9, 2250560), (10, 2025504), (12, 1687920), (13, 1558080), (15, 1350336), (16, 1265940), (18, 1125280), (20, 1012752), (24, 843960), (26, 779040), (30, 675168), (32, 632970), (36, 562640), (39, 519360), (40, 506376), (45, 450112), (48, 421980), (52, 389520), (60, 337584), (64, 316485), (65, 311616), (72, 281320), (78, 259680), (80, 253188), (90, 225056), (96, 210990), (104, 194760), (117, 173120), (120, 168792), (130, 155808), (144, 140660), (156, 129840), (160, 126594), (180, 112528), (192, 105495), (195, 103872), (208, 97380), (234, 86560), (240, 84396), (260, 77904), (288, 70330), (312, 64920), (320, 63297), (360, 56264), (390, 51936), (416, 48690), (468, 43280), (480, 42198), (520, 38952), (541, 37440), (576, 35165), (585, 34624), (624, 32460), (720, 28132), (780, 25968), (832, 24345), (936, 21640), (960, 21099), (1040, 19476), (1082, 18720), (1170, 17312), (1248, 16230), (1440, 14066), (1560, 12984), (1623, 12480), (1872, 10820), (2080, 9738), (2164, 9360), (2340, 8656), (2496, 8115), (2705, 7488), (2880, 7033), (3120, 6492), (3246, 6240), (3744, 5410), (4160, 4869), (4328, 4680)]