20083440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 160

約数和(自身を含む): 69120576

約数和(自身を除く): 49037136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 41, 48, 52, 60, 65, 78, 80, 82, 104, 120, 123, 130, 156, 157, 164, 195, 205, 208, 240, 246, 260, 312, 314, 328, 390, 410, 471, 492, 520, 533, 615, 624, 628, 656, 780, 785, 820, 942, 984, 1040, 1066, 1230, 1256, 1560, 1570, 1599, 1640, 1884, 1968, 2041, 2132, 2355, 2460, 2512, 2665, 3120, 3140, 3198, 3280, 3768, 4082, 4264, 4710, 4920, 5330, 6123, 6280, 6396, 6437, 7536, 7995, 8164, 8528, 9420, 9840, 10205, 10660, 12246, 12560, 12792, 12874, 15990, 16328, 18840, 19311, 20410, 21320, 24492, 25584, 25748, 30615, 31980, 32185, 32656, 37680, 38622, 40820, 42640, 48984, 51496, 61230, 63960, 64370, 77244, 81640, 83681, 96555, 97968, 102992, 122460, 127920, 128740, 154488, 163280, 167362, 193110, 244920, 251043, 257480, 308976, 334724, 386220, 418405, 489840, 502086, 514960, 669448, 772440, 836810, 1004172, 1255215, 1338896, 1544880, 1673620, 2008344, 2510430, 3347240, 4016688, 5020860, 6694480, 10041720, 20083440]

約数ペア:

[(1, 20083440), (2, 10041720), (3, 6694480), (4, 5020860), (5, 4016688), (6, 3347240), (8, 2510430), (10, 2008344), (12, 1673620), (13, 1544880), (15, 1338896), (16, 1255215), (20, 1004172), (24, 836810), (26, 772440), (30, 669448), (39, 514960), (40, 502086), (41, 489840), (48, 418405), (52, 386220), (60, 334724), (65, 308976), (78, 257480), (80, 251043), (82, 244920), (104, 193110), (120, 167362), (123, 163280), (130, 154488), (156, 128740), (157, 127920), (164, 122460), (195, 102992), (205, 97968), (208, 96555), (240, 83681), (246, 81640), (260, 77244), (312, 64370), (314, 63960), (328, 61230), (390, 51496), (410, 48984), (471, 42640), (492, 40820), (520, 38622), (533, 37680), (615, 32656), (624, 32185), (628, 31980), (656, 30615), (780, 25748), (785, 25584), (820, 24492), (942, 21320), (984, 20410), (1040, 19311), (1066, 18840), (1230, 16328), (1256, 15990), (1560, 12874), (1570, 12792), (1599, 12560), (1640, 12246), (1884, 10660), (1968, 10205), (2041, 9840), (2132, 9420), (2355, 8528), (2460, 8164), (2512, 7995), (2665, 7536), (3120, 6437), (3140, 6396), (3198, 6280), (3280, 6123), (3768, 5330), (4082, 4920), (4264, 4710)]