20807395280

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{32969}}^1$

素因数の和:33026

約数の個数: 160

約数和(自身を含む): 58871232000

約数和(自身を除く): 38063836720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 343, 368, 392, 460, 490, 560, 644, 686, 784, 805, 920, 980, 1127, 1288, 1372, 1610, 1715, 1840, 1960, 2254, 2576, 2744, 3220, 3430, 3920, 4508, 5488, 5635, 6440, 6860, 7889, 9016, 11270, 12880, 13720, 15778, 18032, 22540, 27440, 31556, 32969, 39445, 45080, 63112, 65938, 78890, 90160, 126224, 131876, 157780, 164845, 230783, 263752, 315560, 329690, 461566, 527504, 631120, 659380, 758287, 923132, 1153915, 1318760, 1516574, 1615481, 1846264, 2307830, 2637520, 3033148, 3230962, 3692528, 3791435, 4615660, 5308009, 6066296, 6461924, 7582870, 8077405, 9231320, 10616018, 11308367, 12132592, 12923848, 15165740, 16154810, 18462640, 21232036, 22616734, 25847696, 26540045, 30331480, 32309620, 37156063, 42464072, 45233468, 53080090, 56541835, 60662960, 64619240, 74312126, 84928144, 90466936, 106160180, 113083670, 129238480, 148624252, 180933872, 185780315, 212320360, 226167340, 260092441, 297248504, 371560630, 424640720, 452334680, 520184882, 594497008, 743121260, 904669360, 1040369764, 1300462205, 1486242520, 2080739528, 2600924410, 2972485040, 4161479056, 5201848820, 10403697640, 20807395280]

約数ペア:

[(1, 20807395280), (2, 10403697640), (4, 5201848820), (5, 4161479056), (7, 2972485040), (8, 2600924410), (10, 2080739528), (14, 1486242520), (16, 1300462205), (20, 1040369764), (23, 904669360), (28, 743121260), (35, 594497008), (40, 520184882), (46, 452334680), (49, 424640720), (56, 371560630), (70, 297248504), (80, 260092441), (92, 226167340), (98, 212320360), (112, 185780315), (115, 180933872), (140, 148624252), (161, 129238480), (184, 113083670), (196, 106160180), (230, 90466936), (245, 84928144), (280, 74312126), (322, 64619240), (343, 60662960), (368, 56541835), (392, 53080090), (460, 45233468), (490, 42464072), (560, 37156063), (644, 32309620), (686, 30331480), (784, 26540045), (805, 25847696), (920, 22616734), (980, 21232036), (1127, 18462640), (1288, 16154810), (1372, 15165740), (1610, 12923848), (1715, 12132592), (1840, 11308367), (1960, 10616018), (2254, 9231320), (2576, 8077405), (2744, 7582870), (3220, 6461924), (3430, 6066296), (3920, 5308009), (4508, 4615660), (5488, 3791435), (5635, 3692528), (6440, 3230962), (6860, 3033148), (7889, 2637520), (9016, 2307830), (11270, 1846264), (12880, 1615481), (13720, 1516574), (15778, 1318760), (18032, 1153915), (22540, 923132), (27440, 758287), (31556, 659380), (32969, 631120), (39445, 527504), (45080, 461566), (63112, 329690), (65938, 315560), (78890, 263752), (90160, 230783), (126224, 164845), (131876, 157780)]