20565757240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1279}}^1\times {\mathrm{57427}}^1$

素因数の和:58724

約数の個数: 64

約数和(自身を含む): 52925644800

約数和(自身を除く): 32359887560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1279, 2558, 5116, 6395, 8953, 10232, 12790, 17906, 25580, 35812, 44765, 51160, 57427, 71624, 89530, 114854, 179060, 229708, 287135, 358120, 401989, 459416, 574270, 803978, 1148540, 1607956, 2009945, 2297080, 3215912, 4019890, 8039780, 16079560, 73449133, 146898266, 293796532, 367245665, 514143931, 587593064, 734491330, 1028287862, 1468982660, 2056575724, 2570719655, 2937965320, 4113151448, 5141439310, 10282878620, 20565757240]

約数ペア:

[(1, 20565757240), (2, 10282878620), (4, 5141439310), (5, 4113151448), (7, 2937965320), (8, 2570719655), (10, 2056575724), (14, 1468982660), (20, 1028287862), (28, 734491330), (35, 587593064), (40, 514143931), (56, 367245665), (70, 293796532), (140, 146898266), (280, 73449133), (1279, 16079560), (2558, 8039780), (5116, 4019890), (6395, 3215912), (8953, 2297080), (10232, 2009945), (12790, 1607956), (17906, 1148540), (25580, 803978), (35812, 574270), (44765, 459416), (51160, 401989), (57427, 358120), (71624, 287135), (89530, 229708), (114854, 179060)]