20161576488

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{211231}}^1$

素因数の和:211378

約数の個数: 64

約数和(自身を含む): 52165854720

約数和(自身を除く): 32004278232

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 97, 123, 164, 194, 246, 291, 328, 388, 492, 582, 776, 984, 1164, 2328, 3977, 7954, 11931, 15908, 23862, 31816, 47724, 95448, 211231, 422462, 633693, 844924, 1267386, 1689848, 2534772, 5069544, 8660471, 17320942, 20489407, 25981413, 34641884, 40978814, 51962826, 61468221, 69283768, 81957628, 103925652, 122936442, 163915256, 207851304, 245872884, 491745768, 840065687, 1680131374, 2520197061, 3360262748, 5040394122, 6720525496, 10080788244, 20161576488]

約数ペア:

[(1, 20161576488), (2, 10080788244), (3, 6720525496), (4, 5040394122), (6, 3360262748), (8, 2520197061), (12, 1680131374), (24, 840065687), (41, 491745768), (82, 245872884), (97, 207851304), (123, 163915256), (164, 122936442), (194, 103925652), (246, 81957628), (291, 69283768), (328, 61468221), (388, 51962826), (492, 40978814), (582, 34641884), (776, 25981413), (984, 20489407), (1164, 17320942), (2328, 8660471), (3977, 5069544), (7954, 2534772), (11931, 1689848), (15908, 1267386), (23862, 844924), (31816, 633693), (47724, 422462), (95448, 211231)]