20178562880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{20063}}^1$

素因数の和:20536

約数の個数: 112

約数和(自身を含む): 55039564800

約数和(自身を除く): 34861001920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 449, 560, 898, 1120, 1796, 2240, 2245, 3143, 3592, 4490, 6286, 7184, 8980, 12572, 14368, 15715, 17960, 20063, 25144, 28736, 31430, 35920, 40126, 50288, 62860, 71840, 80252, 100315, 100576, 125720, 140441, 143680, 160504, 200630, 201152, 251440, 280882, 321008, 401260, 502880, 561764, 642016, 702205, 802520, 1005760, 1123528, 1284032, 1404410, 1605040, 2247056, 2808820, 3210080, 4494112, 5617640, 6420160, 8988224, 9008287, 11235280, 18016574, 22470560, 36033148, 44941120, 45041435, 63058009, 72066296, 90082870, 126116018, 144132592, 180165740, 252232036, 288265184, 315290045, 360331480, 504464072, 576530368, 630580090, 720662960, 1008928144, 1261160180, 1441325920, 2017856288, 2522320360, 2882651840, 4035712576, 5044640720, 10089281440, 20178562880]

約数ペア:

[(1, 20178562880), (2, 10089281440), (4, 5044640720), (5, 4035712576), (7, 2882651840), (8, 2522320360), (10, 2017856288), (14, 1441325920), (16, 1261160180), (20, 1008928144), (28, 720662960), (32, 630580090), (35, 576530368), (40, 504464072), (56, 360331480), (64, 315290045), (70, 288265184), (80, 252232036), (112, 180165740), (140, 144132592), (160, 126116018), (224, 90082870), (280, 72066296), (320, 63058009), (448, 45041435), (449, 44941120), (560, 36033148), (898, 22470560), (1120, 18016574), (1796, 11235280), (2240, 9008287), (2245, 8988224), (3143, 6420160), (3592, 5617640), (4490, 4494112), (6286, 3210080), (7184, 2808820), (8980, 2247056), (12572, 1605040), (14368, 1404410), (15715, 1284032), (17960, 1123528), (20063, 1005760), (25144, 802520), (28736, 702205), (31430, 642016), (35920, 561764), (40126, 502880), (50288, 401260), (62860, 321008), (71840, 280882), (80252, 251440), (100315, 201152), (100576, 200630), (125720, 160504), (140441, 143680)]