20206576

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5113}}^1$

素因数の和:5153

約数の個数: 40

約数和(自身を含む): 44389520

約数和(自身を除く): 24182944

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 5113, 10226, 20452, 40904, 66469, 81808, 97147, 132938, 194294, 265876, 388588, 531752, 777176, 1063504, 1262911, 1554352, 2525822, 5051644, 10103288, 20206576]

約数ペア:

[(1, 20206576), (2, 10103288), (4, 5051644), (8, 2525822), (13, 1554352), (16, 1262911), (19, 1063504), (26, 777176), (38, 531752), (52, 388588), (76, 265876), (104, 194294), (152, 132938), (208, 97147), (247, 81808), (304, 66469), (494, 40904), (988, 20452), (1976, 10226), (3952, 5113)]