20565681435

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{165047}}^1$

素因数の和:165145

約数の個数: 64

約数和(自身を含む): 39928412160

約数和(自身を除く): 19362730725

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 71, 117, 135, 195, 213, 351, 355, 585, 639, 923, 1065, 1755, 1917, 2769, 3195, 4615, 8307, 9585, 13845, 24921, 41535, 124605, 165047, 495141, 825235, 1485423, 2145611, 2475705, 4456269, 6436833, 7427115, 10728055, 11718337, 19310499, 22281345, 32184165, 35155011, 57931497, 58591685, 96552495, 105465033, 152338381, 175775055, 289657485, 316395099, 457015143, 527325165, 761691905, 1371045429, 1581975495, 2285075715, 4113136287, 6855227145, 20565681435]

約数ペア:

[(1, 20565681435), (3, 6855227145), (5, 4113136287), (9, 2285075715), (13, 1581975495), (15, 1371045429), (27, 761691905), (39, 527325165), (45, 457015143), (65, 316395099), (71, 289657485), (117, 175775055), (135, 152338381), (195, 105465033), (213, 96552495), (351, 58591685), (355, 57931497), (585, 35155011), (639, 32184165), (923, 22281345), (1065, 19310499), (1755, 11718337), (1917, 10728055), (2769, 7427115), (3195, 6436833), (4615, 4456269), (8307, 2475705), (9585, 2145611), (13845, 1485423), (24921, 825235), (41535, 495141), (124605, 165047)]