20164594725

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1\times {\mathrm{479}}^1$

素因数の和:812

約数の個数: 144

約数和(自身を含む): 40195284480

約数和(自身を除く): 20030689755

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 73, 75, 99, 165, 219, 225, 233, 275, 365, 479, 495, 657, 699, 803, 825, 1095, 1165, 1437, 1825, 2097, 2395, 2409, 2475, 2563, 3285, 3495, 4015, 4311, 5269, 5475, 5825, 7185, 7227, 7689, 10485, 11975, 12045, 12815, 15807, 16425, 17009, 17475, 20075, 21555, 23067, 26345, 34967, 35925, 36135, 38445, 47421, 51027, 52425, 60225, 64075, 79035, 85045, 104901, 107775, 111607, 115335, 131725, 153081, 174835, 180675, 187099, 192225, 237105, 255135, 314703, 334821, 384637, 395175, 425225, 524505, 558035, 561297, 576675, 765405, 874175, 935495, 1004463, 1153911, 1185525, 1227677, 1275675, 1573515, 1674105, 1683891, 1923185, 2622525, 2790175, 2806485, 3461733, 3683031, 3827025, 4677475, 5022315, 5769555, 6138385, 7867575, 8147311, 8370525, 8419455, 9615925, 11049093, 14032425, 17308665, 18415155, 24441933, 25111575, 28847775, 30691925, 40736555, 42097275, 55245465, 73325799, 86543325, 89620421, 92075775, 122209665, 203682775, 268861263, 276227325, 366628995, 448102105, 611048325, 806583789, 1344306315, 1833144975, 2240510525, 4032918945, 6721531575, 20164594725]

約数ペア:

[(1, 20164594725), (3, 6721531575), (5, 4032918945), (9, 2240510525), (11, 1833144975), (15, 1344306315), (25, 806583789), (33, 611048325), (45, 448102105), (55, 366628995), (73, 276227325), (75, 268861263), (99, 203682775), (165, 122209665), (219, 92075775), (225, 89620421), (233, 86543325), (275, 73325799), (365, 55245465), (479, 42097275), (495, 40736555), (657, 30691925), (699, 28847775), (803, 25111575), (825, 24441933), (1095, 18415155), (1165, 17308665), (1437, 14032425), (1825, 11049093), (2097, 9615925), (2395, 8419455), (2409, 8370525), (2475, 8147311), (2563, 7867575), (3285, 6138385), (3495, 5769555), (4015, 5022315), (4311, 4677475), (5269, 3827025), (5475, 3683031), (5825, 3461733), (7185, 2806485), (7227, 2790175), (7689, 2622525), (10485, 1923185), (11975, 1683891), (12045, 1674105), (12815, 1573515), (15807, 1275675), (16425, 1227677), (17009, 1185525), (17475, 1153911), (20075, 1004463), (21555, 935495), (23067, 874175), (26345, 765405), (34967, 576675), (35925, 561297), (36135, 558035), (38445, 524505), (47421, 425225), (51027, 395175), (52425, 384637), (60225, 334821), (64075, 314703), (79035, 255135), (85045, 237105), (104901, 192225), (107775, 187099), (111607, 180675), (115335, 174835), (131725, 153081)]